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                    Closing price on 10/13/2016
                 
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                    | Open | 
                    12.00 | 
                 
                
                    | High | 
                    13.00 | 
                 
                
                    | Low | 
                    11.80 | 
                     
                
                    | Volume | 
                    415,100 | 
                                 
                
                    | Split-adjusted Price | 
                    12.20 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IVS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/13/2016
             | 
            
                +0.20 / +1.67%
             |             
            
                12.00
             |           
            
                13.00
             |               
            
                11.80
             |                           
            
                12.20
             | 
            
                11.95
             |                     
            
                12.20
             |                                 
            
                415,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2016
             | 
            
                -0.10 / -0.83%
             |             
            
                12.10
             |           
            
                12.30
             |               
            
                11.80
             |                           
            
                12.00
             | 
            
                12.15
             |                     
            
                12.00
             |                                 
            
                384,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2016
             | 
            
                -0.10 / -0.82%
             |             
            
                12.20
             |           
            
                12.40
             |               
            
                12.00
             |                           
            
                12.10
             | 
            
                12.18
             |                     
            
                12.10
             |                                 
            
                260,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2016
             | 
            
                -0.20 / -1.61%
             |             
            
                12.40
             |           
            
                12.50
             |               
            
                12.20
             |                           
            
                12.20
             | 
            
                12.36
             |                     
            
                12.20
             |                                 
            
                332,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2016
             | 
            
                -1.00 / -7.46%
             |             
            
                13.20
             |           
            
                13.20
             |               
            
                12.30
             |                           
            
                12.40
             | 
            
                12.64
             |                     
            
                12.40
             |                                 
            
                349,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2016
             | 
            
                -0.10 / -0.74%
             |             
            
                12.30
             |           
            
                13.50
             |               
            
                12.30
             |                           
            
                13.40
             | 
            
                13.19
             |                     
            
                13.40
             |                                 
            
                853,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2016
             | 
            
                -0.20 / -1.46%
             |             
            
                13.70
             |           
            
                13.90
             |               
            
                13.50
             |                           
            
                13.50
             | 
            
                13.73
             |                     
            
                12.30
             |                                 
            
                459,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2016
             | 
            
                -0.10 / -0.72%
             |             
            
                13.80
             |           
            
                14.00
             |               
            
                13.70
             |                           
            
                13.70
             | 
            
                13.91
             |                     
            
                12.48
             |                                 
            
                543,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2016
             | 
            
                -0.20 / -1.43%
             |             
            
                14.00
             |           
            
                14.40
             |               
            
                13.80
             |                           
            
                13.80
             | 
            
                14.08
             |                     
            
                12.57
             |                                 
            
                373,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/30/2016
             | 
            
                -0.30 / -2.10%
             |             
            
                14.30
             |           
            
                14.40
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.12
             |                     
            
                12.76
             |                                 
            
                349,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2016
             | 
            
                +0.40 / +2.88%
             |             
            
                13.90
             |           
            
                15.20
             |               
            
                13.90
             |                           
            
                14.30
             | 
            
                14.49
             |                     
            
                13.03
             |                                 
            
                415,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2016
             | 
            
                -1.40 / -9.15%
             |             
            
                15.30
             |           
            
                15.30
             |               
            
                13.90
             |                           
            
                13.90
             | 
            
                14.77
             |                     
            
                12.66
             |                                 
            
                208,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2016
             | 
            
                +0.10 / +0.66%
             |             
            
                15.20
             |           
            
                15.60
             |               
            
                15.10
             |                           
            
                15.30
             | 
            
                15.30
             |                     
            
                13.94
             |                                 
            
                412,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2016
             | 
            
                0.00 / 0.00%
             |             
            
                15.20
             |           
            
                15.50
             |               
            
                14.80
             |                           
            
                15.20
             | 
            
                15.18
             |                     
            
                13.85
             |                                 
            
                417,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2016
             | 
            
                +1.30 / +9.35%
             |             
            
                15.20
             |           
            
                15.20
             |               
            
                14.10
             |                           
            
                15.20
             | 
            
                14.93
             |                     
            
                13.85
             |                                 
            
                345,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2016
             | 
            
                -0.20 / -1.42%
             |             
            
                14.10
             |           
            
                14.20
             |               
            
                13.80
             |                           
            
                13.90
             | 
            
                14.01
             |                     
            
                12.66
             |                                 
            
                324,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2016
             | 
            
                0.00 / 0.00%
             |             
            
                14.10
             |           
            
                14.40
             |               
            
                14.10
             |                           
            
                14.10
             | 
            
                14.22
             |                     
            
                12.85
             |                                 
            
                296,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2016
             | 
            
                +0.10 / +0.71%
             |             
            
                14.00
             |           
            
                14.20
             |               
            
                13.90
             |                           
            
                14.10
             | 
            
                14.03
             |                     
            
                12.85
             |                                 
            
                300,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2016
             | 
            
                -0.20 / -1.41%
             |             
            
                14.10
             |           
            
                14.50
             |               
            
                13.90
             |                           
            
                14.00
             | 
            
                14.32
             |                     
            
                12.76
             |                                 
            
                595,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2016
             | 
            
                +0.10 / +0.71%
             |             
            
                14.10
             |           
            
                15.50
             |               
            
                14.10
             |                           
            
                14.20
             | 
            
                14.66
             |                     
            
                12.94
             |                                 
            
                359,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2016
             | 
            
                -0.20 / -1.40%
             |             
            
                14.30
             |           
            
                14.30
             |               
            
                13.80
             |                           
            
                14.10
             | 
            
                14.04
             |                     
            
                12.85
             |                                 
            
                235,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2016
             | 
            
                -0.80 / -5.30%
             |             
            
                15.10
             |           
            
                15.10
             |               
            
                14.30
             |                           
            
                14.30
             | 
            
                14.63
             |                     
            
                13.03
             |                                 
            
                564,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2016
             | 
            
                +0.10 / +0.67%
             |             
            
                15.00
             |           
            
                15.20
             |               
            
                14.80
             |                           
            
                15.10
             | 
            
                14.99
             |                     
            
                13.76
             |                                 
            
                352,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2016
             | 
            
                -0.90 / -5.66%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                14.80
             |                           
            
                15.00
             | 
            
                15.45
             |                     
            
                13.67
             |                                 
            
                344,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2016
             | 
            
                +0.10 / +0.63%
             |             
            
                15.80
             |           
            
                17.30
             |               
            
                15.80
             |                           
            
                15.90
             | 
            
                16.04
             |                     
            
                14.49
             |                                 
            
                338,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2016
             | 
            
                +0.50 / +3.27%
             |             
            
                15.30
             |           
            
                16.80
             |               
            
                15.30
             |                           
            
                15.80
             | 
            
                15.94
             |                     
            
                14.40
             |                                 
            
                1,015,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2016
             | 
            
                +0.70 / +4.79%
             |             
            
                14.50
             |           
            
                16.00
             |               
            
                14.30
             |                           
            
                15.30
             | 
            
                14.60
             |                     
            
                13.94
             |                                 
            
                686,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2016
             | 
            
                -0.50 / -3.31%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.00
             |                           
            
                14.60
             | 
            
                14.79
             |                     
            
                13.30
             |                                 
            
                322,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2016
             | 
            
                -1.00 / -6.21%
             |             
            
                16.10
             |           
            
                16.40
             |               
            
                15.00
             |                           
            
                15.10
             | 
            
                15.72
             |                     
            
                13.76
             |                                 
            
                150,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2016
             | 
            
                -1.00 / -5.85%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                16.00
             |                           
            
                16.10
             | 
            
                16.57
             |                     
            
                14.67
             |                                 
            
                170,000
             |  
            
                 
             |                                                              
             
    
         
    
    
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						| 
 Market Update 
        
            
                Last updated at 3:10:02 PM
                                                                
            
            
            
            
        
        
     
 
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