| 
    
        
            | 
                    Closing price on 3/1/2021
                 |  |  
    
        |           
                
                    | Open | 11.80 |  
                    | High | 11.90 |  
                    | Low | 11.80 |  
                    | Volume | 2,500 |  
                    | Split-adjusted Price | 9.60 |  
                
             | 
 |  DTK Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/1/2021 | +0.10 / +0.85% | 11.80 | 11.90 | 11.80 | 11.90 | 11.88 | 9.60 | 2,500 |   |  
            | 2/26/2021 | 0.00 / 0.00% | 11.80 | 11.80 | 11.80 | 11.80 | 11.80 | 9.52 | 4,700 |   |  			
            | 2/25/2021 | +0.20 / +1.72% | 11.80 | 11.80 | 11.80 | 11.80 | 11.80 | 9.52 | 100 |   |  
            | 2/24/2021 | -0.30 / -2.52% | 11.80 | 11.90 | 11.60 | 11.60 | 11.78 | 9.36 | 4,600 |   |  			
            | 2/23/2021 | +0.30 / +2.59% | 11.60 | 11.90 | 11.60 | 11.90 | 11.60 | 9.60 | 8,400 |   |  
            | 2/22/2021 | 0.00 / 0.00% | 11.60 | 11.60 | 11.60 | 11.60 | 11.60 | 9.36 | 1,300 |   |  			
            | 2/19/2021 | -0.90 / -7.20% | 12.00 | 12.00 | 11.50 | 11.60 | 11.62 | 9.36 | 4,600 |   |  
            | 2/18/2021 | +0.30 / +2.46% | 12.50 | 12.50 | 12.50 | 12.50 | 12.50 | 10.09 | 100 |   |  			
            | 2/17/2021 | 0.00 / 0.00% | 12.20 | 12.20 | 12.20 | 12.20 | 12.20 | 9.85 | 1,000 |   |  
            | 2/9/2021 | +0.40 / +3.39% | 12.20 | 12.70 | 12.20 | 12.20 | 12.21 | 9.85 | 3,400 |   |  			
            | 2/8/2021 | -0.50 / -4.07% | 11.90 | 11.90 | 11.30 | 11.80 | 11.73 | 9.52 | 6,000 |   |  
            | 2/5/2021 | +0.10 / +0.82% | 12.20 | 12.30 | 12.20 | 12.30 | 12.25 | 9.93 | 2,700 |   |  			
            | 2/4/2021 | 0.00 / 0.00% | 12.20 | 12.20 | 12.20 | 12.20 | 12.20 | 9.85 | 0 |   |  
            | 2/3/2021 | 0.00 / 0.00% | 12.20 | 12.20 | 12.20 | 12.20 | 12.20 | 9.85 | 0 |   |  			
            | 2/2/2021 | 0.00 / 0.00% | 11.40 | 12.20 | 11.40 | 12.20 | 12.12 | 9.85 | 3,000 |   |  
            | 2/1/2021 | 0.00 / 0.00% | 12.20 | 12.20 | 12.20 | 12.20 | 12.20 | 9.85 | 8,200 |   |  			
            | 1/29/2021 | +1.10 / +9.91% | 11.20 | 12.20 | 11.20 | 12.20 | 12.12 | 9.85 | 4,000 |   |  
            | 1/28/2021 | -1.20 / -9.76% | 11.10 | 11.20 | 11.10 | 11.10 | 11.14 | 8.96 | 3,100 |   |  			
            | 1/27/2021 | -0.30 / -2.38% | 12.30 | 12.30 | 12.30 | 12.30 | 12.30 | 9.93 | 100 |   |  
            | 1/26/2021 | +0.30 / +2.44% | 12.30 | 12.70 | 12.20 | 12.60 | 12.54 | 10.17 | 4,200 |   |  			
            | 1/25/2021 | -0.50 / -3.91% | 12.50 | 12.50 | 12.30 | 12.30 | 12.45 | 9.93 | 1,700 |   |  
            | 1/22/2021 | -0.10 / -0.78% | 12.90 | 12.90 | 12.50 | 12.80 | 12.74 | 10.33 | 1,200 |   |  			
            | 1/21/2021 | +0.30 / +2.38% | 12.60 | 13.00 | 12.60 | 12.90 | 12.87 | 10.41 | 4,700 |   |  
            | 1/20/2021 | +0.40 / +3.28% | 12.20 | 12.60 | 12.20 | 12.60 | 12.39 | 10.17 | 13,800 |   |  			
            | 1/19/2021 | -0.20 / -1.61% | 12.20 | 12.30 | 12.10 | 12.20 | 12.20 | 9.85 | 5,100 |   |  
            | 1/18/2021 | -0.60 / -4.62% | 12.50 | 12.80 | 12.40 | 12.40 | 12.54 | 10.01 | 8,600 |   |  			
            | 1/15/2021 | +0.20 / +1.56% | 12.40 | 13.00 | 12.20 | 13.00 | 12.33 | 10.49 | 8,700 |   |  
            | 1/14/2021 | -0.20 / -1.54% | 12.80 | 12.80 | 12.00 | 12.80 | 12.22 | 10.33 | 1,800 |   |  			
            | 1/13/2021 | -0.60 / -4.41% | 13.60 | 13.60 | 12.90 | 13.00 | 13.18 | 10.49 | 1,000 |   |  
            | 1/12/2021 | 0.00 / 0.00% | 13.60 | 13.60 | 13.60 | 13.60 | 13.60 | 10.98 | 1,500 |   |  |