| 
	
		| 
			
				|  |  
				| 
					
						| 
    
        
            | 
                    Closing price on 5/18/2018
                 |  |  
    
        |           
                
                    | Open | 66.00 |  
                    | High | 72.00 |  
                    | Low | 61.50 |  
                    | Volume | 32,900 |  
                    | Split-adjusted Price | 24.04 |  
                
             | 
 |  NTC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/18/2018 | -2.30 / -3.54% | 66.00 | 72.00 | 61.50 | 62.70 | 62.42 | 24.04 | 32,900 |   |  
            | 5/17/2018 | -0.20 / -0.31% | 64.00 | 67.00 | 62.00 | 65.00 | 63.08 | 24.92 | 111,900 |   |  			
            | 5/16/2018 | +0.10 / +0.15% | 65.80 | 66.00 | 65.20 | 65.20 | 65.39 | 25.00 | 32,200 |   |  
            | 5/15/2018 | -0.90 / -1.36% | 65.90 | 66.20 | 64.60 | 65.10 | 65.40 | 24.96 | 52,900 |   |  			
            | 5/14/2018 | +0.90 / +1.38% | 66.00 | 68.00 | 65.00 | 66.00 | 65.51 | 25.30 | 70,800 |   |  
            | 5/11/2018 | -0.20 / -0.30% | 63.60 | 66.30 | 63.60 | 66.30 | 65.08 | 25.42 | 53,400 |   |  			
            | 5/10/2018 | -5.00 / -6.99% | 71.30 | 72.70 | 65.00 | 66.50 | 67.53 | 25.49 | 213,400 |   |  
            | 5/9/2018 | -3.30 / -4.41% | 76.00 | 76.00 | 71.30 | 71.50 | 72.64 | 27.41 | 28,800 |   |  			
            | 5/8/2018 | -0.30 / -0.40% | 75.00 | 75.00 | 73.00 | 74.80 | 74.01 | 28.68 | 12,500 |   |  
            | 5/7/2018 | 0.00 / 0.00% | 76.80 | 76.80 | 73.80 | 75.10 | 74.67 | 28.79 | 21,800 |   |  			
            | 5/4/2018 | +1.90 / +2.60% | 83.30 | 83.30 | 74.00 | 74.90 | 75.10 | 28.71 | 58,200 |   |  
            | 5/3/2018 | +4.20 / +6.10% | 69.00 | 74.70 | 69.00 | 73.00 | 72.58 | 27.99 | 105,200 |   |  			
            | 5/2/2018 | +3.20 / +4.88% | 63.20 | 68.80 | 63.10 | 68.80 | 64.99 | 26.38 | 5,300 |   |  
            | 4/27/2018 | +1.00 / +1.52% | 65.40 | 66.90 | 65.00 | 66.90 | 65.59 | 25.65 | 9,500 |   |  			
            | 4/26/2018 | -1.50 / -2.23% | 67.00 | 67.00 | 64.40 | 65.90 | 65.42 | 25.26 | 10,900 |   |  
            | 4/24/2018 | +1.90 / +2.87% | 66.00 | 68.00 | 66.00 | 68.00 | 67.43 | 26.07 | 18,000 |   |  			
            | 4/23/2018 | -2.40 / -3.50% | 68.20 | 70.00 | 66.10 | 66.10 | 67.82 | 25.34 | 24,100 |   |  
            | 4/20/2018 | -0.20 / -0.28% | 69.20 | 71.00 | 67.60 | 70.90 | 68.54 | 27.18 | 37,400 |   |  			
            | 4/19/2018 | -2.40 / -3.27% | 73.00 | 73.00 | 71.10 | 71.10 | 71.82 | 27.26 | 25,900 |   |  
            | 4/18/2018 | +0.20 / +0.27% | 75.40 | 75.40 | 72.60 | 73.50 | 73.41 | 28.18 | 66,100 |   |  			
            | 4/17/2018 | -0.70 / -0.95% | 74.00 | 74.80 | 72.60 | 73.30 | 73.52 | 28.10 | 55,700 |   |  
            | 4/16/2018 | +4.70 / +6.78% | 72.00 | 75.50 | 68.90 | 74.00 | 72.43 | 28.37 | 69,500 |   |  			
            | 4/13/2018 | +0.70 / +1.02% | 76.00 | 76.00 | 68.50 | 69.20 | 69.33 | 26.53 | 23,700 |   |  
            | 4/12/2018 | 0.00 / 0.00% | 78.00 | 78.00 | 68.00 | 68.50 | 68.47 | 26.26 | 6,300 |   |  			
            | 4/11/2018 | -3.30 / -4.60% | 72.30 | 72.30 | 67.00 | 68.50 | 68.12 | 26.26 | 43,800 |   |  
            | 4/10/2018 | -1.20 / -1.64% | 74.20 | 74.20 | 70.40 | 71.80 | 71.88 | 27.53 | 32,300 |   |  			
            | 4/9/2018 | -2.10 / -2.80% | 76.00 | 76.00 | 72.00 | 73.00 | 73.60 | 27.99 | 33,700 |   |  
            | 4/6/2018 | -1.00 / -1.32% | 76.00 | 76.00 | 74.80 | 75.00 | 75.06 | 28.75 | 36,300 |   |  			
            | 4/5/2018 | 0.00 / 0.00% | 76.00 | 76.50 | 75.90 | 76.00 | 76.00 | 29.14 | 5,200 |   |  
            | 4/4/2018 | 0.00 / 0.00% | 76.00 | 76.50 | 75.60 | 76.00 | 75.91 | 29.14 | 9,200 |   |  |  |  
				|  |  |  | 
	
		| 
			
				|  |  
				|  |  
				| 
					
						| Market Update 
        
            
                Last updated at 10:40:00 AM
             |  |  
				|  |  |  |