| 
    
        
            | 
                    Closing price on 3/20/2018
                 |  |  
    
        |           
                
                    | Open | 1.20 |  
                    | High | 1.20 |  
                    | Low | 1.10 |  
                    | Volume | 892,400 |  
                    | Split-adjusted Price | 1.10 |  
                
             | 
 |  ACM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/20/2018 | -0.10 / -8.33% | 1.20 | 1.20 | 1.10 | 1.10 | 1.10 | 1.10 | 892,400 |   |  
            | 3/19/2018 | 0.00 / 0.00% | 1.20 | 1.20 | 1.10 | 1.20 | 1.20 | 1.20 | 75,400 |   |  			
            | 3/16/2018 | +0.10 / +9.09% | 1.10 | 1.20 | 1.10 | 1.20 | 1.11 | 1.20 | 431,500 |   |  
            | 3/15/2018 | -0.10 / -8.33% | 1.20 | 1.20 | 1.10 | 1.10 | 1.12 | 1.10 | 2,428,500 |   |  			
            | 3/14/2018 | 0.00 / 0.00% | 1.20 | 1.30 | 1.20 | 1.20 | 1.20 | 1.20 | 322,930 |   |  
            | 3/13/2018 | -0.10 / -7.69% | 1.30 | 1.30 | 1.20 | 1.20 | 1.20 | 1.20 | 129,195 |   |  			
            | 3/12/2018 | 0.00 / 0.00% | 1.40 | 1.40 | 1.20 | 1.30 | 1.31 | 1.30 | 503,600 |   |  
            | 3/9/2018 | +0.10 / +8.33% | 1.20 | 1.30 | 1.20 | 1.30 | 1.30 | 1.30 | 696,975 |   |  			
            | 3/8/2018 | +0.10 / +9.09% | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 755,512 |   |  
            | 3/7/2018 | -0.10 / -8.33% | 1.10 | 1.20 | 1.10 | 1.10 | 1.14 | 1.10 | 103,000 |   |  			
            | 3/6/2018 | 0.00 / 0.00% | 1.10 | 1.20 | 1.10 | 1.20 | 1.15 | 1.20 | 232,520 |   |  
            | 3/5/2018 | +0.10 / +9.09% | 1.20 | 1.20 | 1.10 | 1.20 | 1.15 | 1.20 | 120,539 |   |  			
            | 3/2/2018 | -0.10 / -8.33% | 1.20 | 1.20 | 1.10 | 1.10 | 1.14 | 1.10 | 339,623 |   |  
            | 3/1/2018 | 0.00 / 0.00% | 1.20 | 1.20 | 1.10 | 1.20 | 1.17 | 1.20 | 341,800 |   |  			
            | 2/28/2018 | 0.00 / 0.00% | 1.20 | 1.20 | 1.10 | 1.20 | 1.14 | 1.20 | 18,150 |   |  
            | 2/27/2018 | +0.10 / +9.09% | 1.20 | 1.20 | 1.00 | 1.20 | 1.11 | 1.20 | 1,248,950 |   |  			
            | 2/26/2018 | -0.10 / -8.33% | 1.20 | 1.30 | 1.10 | 1.10 | 1.15 | 1.10 | 223,310 |   |  
            | 2/23/2018 | 0.00 / 0.00% | 1.20 | 1.30 | 1.20 | 1.20 | 1.21 | 1.20 | 77,210 |   |  			
            | 2/22/2018 | -0.10 / -7.69% | 1.30 | 1.30 | 1.20 | 1.20 | 1.20 | 1.20 | 22,200 |   |  
            | 2/21/2018 | +0.10 / +8.33% | 1.20 | 1.30 | 1.20 | 1.30 | 1.23 | 1.30 | 81,762 |   |  			
            | 2/13/2018 | 0.00 / 0.00% | 1.20 | 1.20 | 1.10 | 1.20 | 1.20 | 1.20 | 312,100 |   |  
            | 2/12/2018 | 0.00 / 0.00% | 1.20 | 1.20 | 1.10 | 1.20 | 1.15 | 1.20 | 123,200 |   |  			
            | 2/9/2018 | 0.00 / 0.00% | 1.20 | 1.20 | 1.10 | 1.20 | 1.15 | 1.20 | 167,800 |   |  
            | 2/8/2018 | -0.10 / -7.69% | 1.30 | 1.30 | 1.20 | 1.20 | 1.20 | 1.20 | 278,500 |   |  			
            | 2/7/2018 | +0.10 / +8.33% | 1.20 | 1.30 | 1.10 | 1.30 | 1.23 | 1.30 | 109,300 |   |  
            | 2/6/2018 | 0.00 / 0.00% | 1.20 | 1.30 | 1.10 | 1.20 | 1.14 | 1.20 | 498,243 |   |  			
            | 2/5/2018 | 0.00 / 0.00% | 1.20 | 1.30 | 1.20 | 1.20 | 1.22 | 1.20 | 161,900 |   |  
            | 2/2/2018 | -0.10 / -7.69% | 1.20 | 1.40 | 1.20 | 1.20 | 1.29 | 1.20 | 123,000 |   |  			
            | 2/1/2018 | +0.10 / +8.33% | 1.20 | 1.30 | 1.20 | 1.30 | 1.26 | 1.30 | 151,700 |   |  
            | 1/31/2018 | -0.10 / -7.69% | 1.30 | 1.40 | 1.20 | 1.20 | 1.30 | 1.20 | 448,000 |   |  |