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            | 
                 
                    Closing price on 9/13/2021
                 
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             | 
         
         
 
    
        
                      
                
                    | Open | 
                    19.80 | 
                 
                
                    | High | 
                    20.90 | 
                 
                
                    | Low | 
                    19.80 | 
                     
                
                    | Volume | 
                    64,800 | 
                                 
                
                    | Split-adjusted Price | 
                    11.28 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DSC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/13/2021
             | 
            
                +0.10 / +0.50%
             |             
            
                19.80
             |           
            
                20.90
             |               
            
                19.80
             |                           
            
                20.00
             | 
            
                20.20
             |                     
            
                11.28
             |                                 
            
                64,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2021
             | 
            
                +0.10 / +0.51%
             |             
            
                19.70
             |           
            
                20.60
             |               
            
                19.70
             |                           
            
                19.80
             | 
            
                19.90
             |                     
            
                11.16
             |                                 
            
                53,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2021
             | 
            
                -0.30 / -1.49%
             |             
            
                20.30
             |           
            
                21.20
             |               
            
                19.50
             |                           
            
                19.80
             | 
            
                19.70
             |                     
            
                11.16
             |                                 
            
                33,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2021
             | 
            
                -1.70 / -8.21%
             |             
            
                20.80
             |           
            
                20.80
             |               
            
                17.60
             |                           
            
                19.00
             | 
            
                20.10
             |                     
            
                10.71
             |                                 
            
                49,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2021
             | 
            
                -0.30 / -1.44%
             |             
            
                20.80
             |           
            
                21.00
             |               
            
                20.50
             |                           
            
                20.50
             | 
            
                20.70
             |                     
            
                11.56
             |                                 
            
                35,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2021
             | 
            
                0.00 / 0.00%
             |             
            
                22.00
             |           
            
                23.00
             |               
            
                20.40
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                11.73
             |                                 
            
                134,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2021
             | 
            
                -0.20 / -0.95%
             |             
            
                20.70
             |           
            
                21.00
             |               
            
                20.50
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                11.73
             |                                 
            
                31,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2021
             | 
            
                +0.20 / +0.96%
             |             
            
                21.00
             |           
            
                21.50
             |               
            
                20.50
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                11.84
             |                                 
            
                57,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2021
             | 
            
                +1.00 / +4.90%
             |             
            
                21.00
             |           
            
                21.40
             |               
            
                20.40
             |                           
            
                21.40
             | 
            
                20.80
             |                     
            
                12.07
             |                                 
            
                53,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2021
             | 
            
                -1.10 / -5.09%
             |             
            
                21.60
             |           
            
                21.60
             |               
            
                19.50
             |                           
            
                20.50
             | 
            
                20.40
             |                     
            
                11.56
             |                                 
            
                100,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2021
             | 
            
                +0.10 / +0.47%
             |             
            
                21.60
             |           
            
                22.00
             |               
            
                21.10
             |                           
            
                21.20
             | 
            
                21.60
             |                     
            
                11.95
             |                                 
            
                57,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2021
             | 
            
                -0.90 / -3.98%
             |             
            
                20.00
             |           
            
                21.80
             |               
            
                20.00
             |                           
            
                21.70
             | 
            
                21.10
             |                     
            
                12.24
             |                                 
            
                92,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2021
             | 
            
                -2.90 / -12.13%
             |             
            
                25.00
             |           
            
                26.10
             |               
            
                20.70
             |                           
            
                21.00
             | 
            
                22.60
             |                     
            
                11.84
             |                                 
            
                332,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2021
             | 
            
                +3.20 / +14.81%
             |             
            
                22.60
             |           
            
                24.80
             |               
            
                21.60
             |                           
            
                24.80
             | 
            
                23.90
             |                     
            
                13.98
             |                                 
            
                72,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2021
             | 
            
                +2.80 / +14.89%
             |             
            
                21.50
             |           
            
                21.60
             |               
            
                20.20
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                12.18
             |                                 
            
                238,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2021
             | 
            
                +2.50 / +14.88%
             |             
            
                16.70
             |           
            
                19.30
             |               
            
                16.40
             |                           
            
                19.30
             | 
            
                18.80
             |                     
            
                10.88
             |                                 
            
                480,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2021
             | 
            
                -0.10 / -0.60%
             |             
            
                17.50
             |           
            
                17.50
             |               
            
                16.70
             |                           
            
                16.70
             | 
            
                16.80
             |                     
            
                9.42
             |                                 
            
                7,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2021
             | 
            
                0.00 / 0.00%
             |             
            
                16.60
             |           
            
                18.00
             |               
            
                16.30
             |                           
            
                16.30
             | 
            
                16.80
             |                     
            
                9.19
             |                                 
            
                8,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2021
             | 
            
                +0.60 / +3.82%
             |             
            
                16.20
             |           
            
                17.00
             |               
            
                15.90
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                9.19
             |                                 
            
                26,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2021
             | 
            
                +0.50 / +3.23%
             |             
            
                15.50
             |           
            
                16.00
             |               
            
                15.50
             |                           
            
                16.00
             | 
            
                15.70
             |                     
            
                9.02
             |                                 
            
                13,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2021
             | 
            
                -0.90 / -5.56%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.30
             |                           
            
                15.30
             | 
            
                15.50
             |                     
            
                8.63
             |                                 
            
                23,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2021
             | 
            
                -0.40 / -2.44%
             |             
            
                16.50
             |           
            
                16.50
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.20
             |                     
            
                9.02
             |                                 
            
                13,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/10/2021
             | 
            
                +0.50 / +3.14%
             |             
            
                17.90
             |           
            
                17.90
             |               
            
                16.00
             |                           
            
                16.40
             | 
            
                16.40
             |                     
            
                9.25
             |                                 
            
                54,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2021
             | 
            
                +1.40 / +8.97%
             |             
            
                17.90
             |           
            
                17.90
             |               
            
                15.00
             |                           
            
                17.00
             | 
            
                15.90
             |                     
            
                9.59
             |                                 
            
                42,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2021
             | 
            
                +0.40 / +2.67%
             |             
            
                15.50
             |           
            
                17.00
             |               
            
                15.30
             |                           
            
                15.40
             | 
            
                15.60
             |                     
            
                8.68
             |                                 
            
                18,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2021
             | 
            
                +0.50 / +3.38%
             |             
            
                15.00
             |           
            
                15.30
             |               
            
                15.00
             |                           
            
                15.30
             | 
            
                15.00
             |                     
            
                8.63
             |                                 
            
                7,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2021
             | 
            
                +0.20 / +1.36%
             |             
            
                14.70
             |           
            
                15.00
             |               
            
                14.60
             |                           
            
                14.90
             | 
            
                14.80
             |                     
            
                8.40
             |                                 
            
                11,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2021
             | 
            
                0.00 / 0.00%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                14.50
             |                           
            
                14.70
             | 
            
                14.70
             |                     
            
                8.29
             |                                 
            
                11,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/2/2021
             | 
            
                +0.10 / +0.69%
             |             
            
                14.40
             |           
            
                14.80
             |               
            
                14.40
             |                           
            
                14.60
             | 
            
                14.70
             |                     
            
                8.23
             |                                 
            
                16,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2021
             | 
            
                +0.20 / +1.38%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.50
             |                           
            
                14.70
             | 
            
                14.50
             |                     
            
                8.29
             |                                 
            
                12,900
             |  
            
                 
             |                                                              
             
    
         
    
    
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 Market Update 
        
            
                Last updated at 12:45:00 PM
                                                                
            
            
            
            
        
        
     
 
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