| 
    
        
            | 
                    Closing price on 8/8/2017
                 |  |  
    
        |           
                
                    | Open | 177.50 |  
                    | High | 182.00 |  
                    | Low | 172.00 |  
                    | Volume | 128,586 |  
                    | Split-adjusted Price | 58.41 |  
                
             | 
 |  VCS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/8/2017 | +1.80 / +1.01% | 177.50 | 182.00 | 172.00 | 179.80 | 176.94 | 58.41 | 128,586 |   |  
            | 8/7/2017 | -9.90 / -5.27% | 188.00 | 188.00 | 178.00 | 178.00 | 181.55 | 57.83 | 126,753 |   |  			
            | 8/4/2017 | +2.90 / +1.57% | 185.00 | 190.00 | 182.00 | 187.90 | 187.05 | 61.04 | 106,847 |   |  
            | 8/3/2017 | +11.00 / +6.32% | 175.50 | 185.00 | 175.00 | 185.00 | 180.79 | 60.10 | 111,635 |   |  			
            | 8/2/2017 | +3.00 / +1.75% | 169.00 | 174.90 | 168.00 | 174.00 | 171.56 | 56.53 | 93,955 |   |  
            | 8/1/2017 | +1.00 / +0.59% | 171.00 | 173.80 | 170.50 | 171.00 | 172.02 | 55.55 | 163,085 |   |  			
            | 7/31/2017 | +2.60 / +1.55% | 167.40 | 170.10 | 167.40 | 170.00 | 168.97 | 55.23 | 67,704 |   |  
            | 7/28/2017 | +0.60 / +0.36% | 166.80 | 173.50 | 166.80 | 167.40 | 170.53 | 54.38 | 100,290 |   |  			
            | 7/27/2017 | +8.80 / +5.57% | 158.00 | 167.00 | 157.00 | 166.80 | 162.91 | 54.19 | 196,990 |   |  
            | 7/26/2017 | +6.90 / +4.57% | 152.90 | 158.00 | 152.90 | 158.00 | 156.30 | 51.33 | 154,202 |   |  			
            | 7/25/2017 | +0.60 / +0.40% | 150.10 | 151.80 | 149.50 | 151.10 | 150.66 | 49.09 | 45,150 |   |  
            | 7/24/2017 | -2.10 / -1.38% | 152.60 | 152.80 | 150.00 | 150.50 | 151.25 | 48.89 | 126,210 |   |  			
            | 7/21/2017 | -1.60 / -1.04% | 155.40 | 155.50 | 152.00 | 152.60 | 153.83 | 49.58 | 85,007 |   |  
            | 7/20/2017 | +1.40 / +0.92% | 153.00 | 155.60 | 150.00 | 154.20 | 152.52 | 50.10 | 159,887 |   |  			
            | 7/19/2017 | +7.80 / +5.38% | 149.00 | 159.50 | 148.00 | 152.80 | 153.61 | 49.64 | 345,465 |   |  
            | 7/18/2017 | -1.00 / -0.68% | 145.50 | 146.10 | 144.00 | 145.00 | 145.25 | 47.11 | 89,524 |   |  			
            | 7/17/2017 | -2.00 / -1.35% | 146.00 | 147.40 | 143.50 | 146.00 | 145.42 | 47.43 | 58,107 |   |  
            | 7/14/2017 | +3.40 / +2.35% | 144.70 | 150.00 | 144.00 | 148.00 | 146.92 | 48.08 | 71,758 |   |  			
            | 7/13/2017 | +1.80 / +1.26% | 142.80 | 144.60 | 142.50 | 144.60 | 143.06 | 46.98 | 53,343 |   |  
            | 7/12/2017 | +1.70 / +1.20% | 140.90 | 142.90 | 140.80 | 142.80 | 142.04 | 46.39 | 36,545 |   |  			
            | 7/11/2017 | +1.50 / +1.07% | 139.50 | 141.10 | 138.50 | 141.10 | 139.91 | 45.84 | 49,755 |   |  
            | 7/10/2017 | -2.40 / -1.69% | 135.20 | 142.00 | 134.60 | 139.60 | 140.11 | 45.35 | 59,423 |   |  			
            | 7/7/2017 | +0.90 / +0.64% | 141.20 | 144.70 | 141.00 | 142.00 | 142.68 | 46.13 | 83,335 |   |  
            | 7/6/2017 | +3.10 / +2.25% | 138.10 | 141.90 | 137.50 | 141.10 | 139.64 | 45.84 | 75,386 |   |  			
            | 7/5/2017 | +2.00 / +1.47% | 136.30 | 138.00 | 133.60 | 138.00 | 136.04 | 44.83 | 56,736 |   |  
            | 7/4/2017 | -3.00 / -2.16% | 139.00 | 139.00 | 135.20 | 136.00 | 136.74 | 44.18 | 86,583 |   |  			
            | 7/3/2017 | +1.40 / +1.02% | 140.00 | 146.00 | 139.00 | 139.00 | 142.24 | 45.16 | 134,675 |   |  
            | 6/30/2017 | +5.40 / +3.00% | 183.00 | 186.00 | 180.30 | 185.40 | 184.26 | 44.70 | 186,730 |   |  			
            | 6/29/2017 | +6.00 / +3.45% | 174.00 | 181.00 | 174.00 | 180.00 | 179.28 | 43.40 | 159,814 |   |  
            | 6/28/2017 | +7.30 / +4.38% | 170.00 | 174.00 | 169.80 | 174.00 | 172.11 | 41.95 | 130,524 |   |  |