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                    Closing price on 8/8/2018
                 |  |  
    
        |           
                
                    | Open | 52.90 |  
                    | High | 53.60 |  
                    | Low | 52.90 |  
                    | Volume | 31,790 |  
                    | Split-adjusted Price | 30.00 |  
                
             | 
 |  NNC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/8/2018 | +0.60 / +1.13% | 52.90 | 53.60 | 52.90 | 53.50 | 53.44 | 30.00 | 31,790 |   |  
            | 8/7/2018 | -0.10 / -0.19% | 52.90 | 53.00 | 52.90 | 52.90 | 52.93 | 29.67 | 1,180 |   |  			
            | 8/6/2018 | 0.00 / 0.00% | 53.00 | 53.50 | 52.70 | 53.00 | 52.94 | 29.72 | 7,990 |   |  
            | 8/3/2018 | 0.00 / 0.00% | 53.50 | 53.50 | 52.80 | 53.00 | 53.09 | 29.72 | 2,430 |   |  			
            | 8/2/2018 | -0.50 / -0.93% | 53.50 | 54.50 | 50.40 | 53.00 | 52.55 | 29.72 | 21,200 |   |  
            | 8/1/2018 | +1.30 / +2.49% | 53.90 | 53.90 | 52.90 | 53.50 | 52.99 | 30.00 | 19,740 |   |  			
            | 7/31/2018 | -0.60 / -1.14% | 53.20 | 53.20 | 52.20 | 52.20 | 52.47 | 29.27 | 6,270 |   |  
            | 7/30/2018 | +0.60 / +1.15% | 53.40 | 53.40 | 52.20 | 52.80 | 52.56 | 29.61 | 3,710 |   |  			
            | 7/27/2018 | +0.20 / +0.38% | 52.00 | 52.80 | 52.00 | 52.20 | 52.32 | 29.27 | 7,340 |   |  
            | 7/26/2018 | +0.40 / +0.78% | 51.90 | 52.20 | 51.70 | 52.00 | 52.01 | 29.16 | 18,670 |   |  			
            | 7/25/2018 | -0.20 / -0.39% | 51.80 | 51.90 | 51.60 | 51.60 | 51.81 | 28.94 | 23,700 |   |  
            | 7/24/2018 | 0.00 / 0.00% | 51.80 | 51.80 | 51.60 | 51.80 | 51.75 | 29.05 | 1,650 |   |  			
            | 7/23/2018 | -0.10 / -0.19% | 52.00 | 52.00 | 51.20 | 51.80 | 51.66 | 29.05 | 12,330 |   |  
            | 7/20/2018 | -0.30 / -0.57% | 52.00 | 52.00 | 51.70 | 51.90 | 51.83 | 29.10 | 13,370 |   |  			
            | 7/19/2018 | -0.10 / -0.19% | 52.30 | 52.30 | 51.90 | 52.20 | 51.94 | 29.27 | 2,830 |   |  
            | 7/18/2018 | +0.30 / +0.58% | 51.90 | 52.30 | 51.30 | 52.30 | 52.00 | 29.33 | 5,250 |   |  			
            | 7/17/2018 | +0.40 / +0.78% | 51.00 | 52.00 | 51.00 | 52.00 | 51.91 | 29.16 | 6,820 |   |  
            | 7/16/2018 | +0.20 / +0.39% | 51.20 | 51.70 | 50.80 | 51.60 | 51.25 | 28.94 | 12,800 |   |  			
            | 7/13/2018 | +0.20 / +0.39% | 51.30 | 51.40 | 51.20 | 51.40 | 51.25 | 28.82 | 7,570 |   |  
            | 7/12/2018 | -0.20 / -0.39% | 51.20 | 52.50 | 51.00 | 51.20 | 51.25 | 28.71 | 4,000 |   |  			
            | 7/11/2018 | -0.20 / -0.39% | 51.60 | 52.00 | 50.90 | 51.40 | 51.37 | 28.82 | 11,720 |   |  
            | 7/10/2018 | -0.40 / -0.77% | 51.20 | 52.70 | 51.20 | 51.60 | 51.56 | 28.94 | 2,890 |   |  			
            | 7/9/2018 | -0.90 / -1.70% | 52.00 | 52.10 | 51.10 | 52.00 | 51.72 | 29.16 | 2,610 |   |  
            | 7/6/2018 | +3.40 / +6.87% | 49.90 | 52.90 | 49.60 | 52.90 | 51.11 | 29.67 | 8,100 |   |  			
            | 7/5/2018 | -1.40 / -2.75% | 50.90 | 51.20 | 49.50 | 49.50 | 50.28 | 27.76 | 10,600 |   |  
            | 7/4/2018 | -0.10 / -0.20% | 50.40 | 50.90 | 50.40 | 50.90 | 50.68 | 28.54 | 5,880 |   |  			
            | 7/3/2018 | +0.60 / +1.19% | 51.30 | 51.30 | 50.30 | 51.00 | 51.12 | 28.60 | 13,420 |   |  
            | 7/2/2018 | -1.10 / -2.14% | 51.40 | 51.90 | 50.40 | 50.40 | 50.92 | 28.26 | 14,670 |   |  			
            | 6/29/2018 | 0.00 / 0.00% | 51.30 | 51.50 | 51.00 | 51.50 | 51.24 | 28.88 | 6,050 |   |  
            | 6/28/2018 | -0.40 / -0.77% | 51.60 | 51.60 | 51.50 | 51.50 | 51.55 | 28.88 | 820 |   |  |