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            | 
                    Closing price on 11/6/2019
                 |  |  
    
        |           
                
                    | Open | 7.30 |  
                    | High | 7.30 |  
                    | Low | 7.24 |  
                    | Volume | 284,750 |  
                    | Split-adjusted Price | 5.10 |  
                
             | 
 |  DCM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/6/2019 | -0.02 / -0.27% | 7.30 | 7.30 | 7.24 | 7.26 | 7.27 | 5.10 | 284,750 |   |  
            | 11/5/2019 | 0.00 / 0.00% | 7.30 | 7.31 | 7.27 | 7.28 | 7.29 | 5.12 | 156,120 |   |  			
            | 11/4/2019 | -0.08 / -1.09% | 7.36 | 7.36 | 7.28 | 7.28 | 7.32 | 5.12 | 476,480 |   |  
            | 11/1/2019 | 0.00 / 0.00% | 7.36 | 7.36 | 7.31 | 7.36 | 7.33 | 5.17 | 300,230 |   |  			
            | 10/31/2019 | -0.03 / -0.41% | 7.38 | 7.48 | 7.35 | 7.36 | 7.38 | 5.17 | 205,630 |   |  
            | 10/30/2019 | +0.04 / +0.54% | 7.36 | 7.44 | 7.34 | 7.39 | 7.37 | 5.19 | 174,790 |   |  			
            | 10/29/2019 | -0.02 / -0.27% | 7.36 | 7.38 | 7.32 | 7.35 | 7.36 | 5.17 | 211,380 |   |  
            | 10/28/2019 | -0.01 / -0.14% | 7.32 | 7.41 | 7.32 | 7.37 | 7.36 | 5.18 | 365,050 |   |  			
            | 10/25/2019 | -0.15 / -1.99% | 7.49 | 7.49 | 7.37 | 7.38 | 7.41 | 5.19 | 777,430 |   |  
            | 10/24/2019 | -0.04 / -0.53% | 7.55 | 7.59 | 7.53 | 7.53 | 7.56 | 5.29 | 134,950 |   |  			
            | 10/23/2019 | +0.04 / +0.53% | 7.53 | 7.60 | 7.53 | 7.57 | 7.56 | 5.32 | 116,870 |   |  
            | 10/22/2019 | -0.09 / -1.18% | 7.64 | 7.76 | 7.53 | 7.53 | 7.62 | 5.29 | 569,250 |   |  			
            | 10/21/2019 | -0.07 / -0.91% | 7.69 | 7.70 | 7.62 | 7.62 | 7.65 | 5.36 | 212,580 |   |  
            | 10/18/2019 | -0.14 / -1.79% | 7.85 | 7.85 | 7.69 | 7.69 | 7.77 | 5.40 | 316,620 |   |  			
            | 10/17/2019 | +0.26 / +3.43% | 7.80 | 7.95 | 7.70 | 7.83 | 7.84 | 5.50 | 1,527,930 |   |  
            | 10/16/2019 | -0.02 / -0.26% | 7.60 | 7.60 | 7.54 | 7.57 | 7.57 | 5.32 | 514,540 |   |  			
            | 10/15/2019 | +0.21 / +2.85% | 7.38 | 7.60 | 7.38 | 7.59 | 7.54 | 5.33 | 1,041,050 |   |  
            | 10/14/2019 | 0.00 / 0.00% | 7.38 | 7.42 | 7.37 | 7.38 | 7.37 | 5.19 | 175,340 |   |  			
            | 10/11/2019 | 0.00 / 0.00% | 7.39 | 7.44 | 7.37 | 7.38 | 7.38 | 5.19 | 110,170 |   |  
            | 10/10/2019 | -0.03 / -0.40% | 7.39 | 7.41 | 7.37 | 7.38 | 7.38 | 5.19 | 160,790 |   |  			
            | 10/9/2019 | +0.01 / +0.14% | 7.40 | 7.48 | 7.38 | 7.41 | 7.40 | 5.21 | 183,590 |   |  
            | 10/8/2019 | 0.00 / 0.00% | 7.39 | 7.42 | 7.37 | 7.40 | 7.39 | 5.20 | 243,320 |   |  			
            | 10/7/2019 | -0.06 / -0.80% | 7.47 | 7.52 | 7.39 | 7.40 | 7.45 | 5.20 | 267,940 |   |  
            | 10/4/2019 | +0.09 / +1.22% | 7.36 | 7.57 | 7.35 | 7.46 | 7.49 | 5.24 | 642,170 |   |  			
            | 10/3/2019 | -0.01 / -0.14% | 7.38 | 7.38 | 7.32 | 7.37 | 7.34 | 5.18 | 336,500 |   |  
            | 10/2/2019 | -0.07 / -0.94% | 7.45 | 7.45 | 7.37 | 7.38 | 7.39 | 5.19 | 695,840 |   |  			
            | 10/1/2019 | -0.03 / -0.40% | 7.47 | 7.50 | 7.43 | 7.45 | 7.46 | 5.24 | 517,100 |   |  
            | 9/30/2019 | -0.07 / -0.93% | 7.55 | 7.55 | 7.44 | 7.48 | 7.47 | 5.26 | 491,520 |   |  			
            | 9/27/2019 | +0.05 / +0.67% | 7.50 | 7.65 | 7.45 | 7.55 | 7.52 | 5.31 | 1,372,030 |   |  
            | 9/26/2019 | -0.01 / -0.13% | 7.51 | 7.52 | 7.46 | 7.50 | 7.49 | 5.27 | 376,200 |   |  |