| 
    
        
            | 
                    Closing price on 4/1/2021
                 |  |  
    
        |           
                
                    | Open | 21.30 |  
                    | High | 21.30 |  
                    | Low | 17.20 |  
                    | Volume | 51,200 |  
                    | Split-adjusted Price | 10.60 |  
                
             | 
 |  DSC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/1/2021 | +0.20 / +1.08% | 21.30 | 21.30 | 17.20 | 18.80 | 18.91 | 10.60 | 51,200 |   |  
            | 3/31/2021 | +2.40 / +14.72% | 16.60 | 18.70 | 16.60 | 18.70 | 18.60 | 10.54 | 68,600 |   |  			
            | 3/30/2021 | +2.10 / +14.58% | 14.40 | 16.50 | 14.40 | 16.50 | 16.32 | 9.30 | 20,900 |   |  
            | 3/29/2021 | -0.60 / -3.68% | 16.30 | 16.30 | 13.90 | 15.70 | 14.44 | 8.85 | 77,700 |   |  			
            | 3/26/2021 | -2.80 / -14.66% | 16.50 | 16.80 | 16.30 | 16.30 | 16.31 | 9.19 | 68,400 |   |  
            | 3/25/2021 | -1.30 / -6.63% | 18.00 | 20.00 | 17.50 | 18.30 | 19.09 | 10.32 | 37,300 |   |  			
            | 3/24/2021 | +1.40 / +7.29% | 19.00 | 22.00 | 17.80 | 20.60 | 19.56 | 11.62 | 57,500 |   |  
            | 3/23/2021 | +2.30 / +13.29% | 19.80 | 19.80 | 17.30 | 19.60 | 19.19 | 11.05 | 124,000 |   |  			
            | 3/22/2021 | +2.20 / +14.57% | 17.30 | 17.30 | 17.30 | 17.30 | 17.30 | 9.75 | 81,800 |   |  
            | 3/19/2021 | +1.90 / +14.39% | 15.10 | 15.10 | 15.10 | 15.10 | 15.10 | 8.51 | 35,500 |   |  			
            | 3/18/2021 | +1.70 / +14.78% | 13.20 | 13.20 | 13.20 | 13.20 | 13.20 | 7.44 | 73,400 |   |  
            | 3/17/2021 | +1.50 / +15.00% | 11.50 | 11.50 | 11.50 | 11.50 | 11.50 | 6.48 | 15,700 |   |  			
            | 3/16/2021 | +1.30 / +14.29% | 9.00 | 10.40 | 8.20 | 10.40 | 10.01 | 5.86 | 63,200 |   |  
            | 3/15/2021 | -0.10 / -1.10% | 9.00 | 9.20 | 9.00 | 9.00 | 9.07 | 5.07 | 12,100 |   |  			
            | 3/12/2021 | -0.20 / -2.20% | 9.40 | 9.40 | 8.90 | 8.90 | 9.07 | 5.02 | 4,600 |   |  
            | 3/11/2021 | 0.00 / 0.00% | 9.10 | 9.80 | 9.00 | 9.00 | 9.12 | 5.07 | 8,300 |   |  			
            | 3/10/2021 | +1.20 / +13.79% | 8.70 | 10.00 | 8.70 | 9.90 | 9.03 | 5.58 | 30,700 |   |  
            | 3/9/2021 | -0.20 / -2.25% | 9.30 | 9.30 | 8.70 | 8.70 | 8.72 | 4.91 | 14,800 |   |  			
            | 3/8/2021 | +0.20 / +2.25% | 9.20 | 9.20 | 8.50 | 9.10 | 8.91 | 5.13 | 12,300 |   |  
            | 3/5/2021 | +0.60 / +6.98% | 8.70 | 9.20 | 8.70 | 9.20 | 8.91 | 5.19 | 7,300 |   |  			
            | 3/4/2021 | 0.00 / 0.00% | 8.60 | 8.60 | 8.60 | 8.60 | 8.60 | 4.85 | 0 |   |  
            | 3/3/2021 | -0.10 / -1.10% | 9.30 | 9.30 | 8.50 | 9.00 | 8.59 | 5.07 | 5,800 |   |  			
            | 3/2/2021 | 0.00 / 0.00% | 9.10 | 9.20 | 9.10 | 9.20 | 9.15 | 5.19 | 1,900 |   |  
            | 3/1/2021 | -0.10 / -1.06% | 9.40 | 9.40 | 8.40 | 9.30 | 9.17 | 5.24 | 5,000 |   |  			
            | 2/26/2021 | +0.30 / +3.26% | 9.50 | 9.50 | 9.20 | 9.50 | 9.43 | 5.36 | 800 |   |  
            | 2/25/2021 | +0.80 / +9.52% | 9.50 | 9.50 | 8.50 | 9.20 | 9.20 | 5.19 | 6,700 |   |  			
            | 2/24/2021 | +0.10 / +1.20% | 8.40 | 8.50 | 8.30 | 8.40 | 8.38 | 4.74 | 17,400 |   |  
            | 2/23/2021 | 0.00 / 0.00% | 8.40 | 8.40 | 8.30 | 8.40 | 8.35 | 4.74 | 3,900 |   |  			
            | 2/22/2021 | -0.50 / -5.68% | 8.60 | 8.60 | 8.30 | 8.30 | 8.42 | 4.68 | 7,100 |   |  
            | 2/19/2021 | -0.50 / -5.56% | 9.20 | 9.20 | 8.50 | 8.50 | 8.76 | 4.79 | 800 |   |  |