| 
    
        
            | 
                    Closing price on 7/13/2018
                 |  |  
    
        |           
                
                    | Open | 0.70 |  
                    | High | 0.80 |  
                    | Low | 0.70 |  
                    | Volume | 65,200 |  
                    | Split-adjusted Price | 0.70 |  
                
             | 
 |  ACM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/13/2018 | -0.10 / -12.50% | 0.70 | 0.80 | 0.70 | 0.70 | 0.70 | 0.70 | 65,200 |   |  
            | 7/12/2018 | 0.00 / 0.00% | 0.80 | 0.80 | 0.70 | 0.80 | 0.79 | 0.80 | 54,400 |   |  			
            | 7/11/2018 | 0.00 / 0.00% | 0.90 | 0.90 | 0.70 | 0.80 | 0.80 | 0.80 | 307,800 |   |  
            | 7/10/2018 | 0.00 / 0.00% | 0.90 | 0.90 | 0.80 | 0.80 | 0.80 | 0.80 | 90,300 |   |  			
            | 7/9/2018 | 0.00 / 0.00% | 0.90 | 0.90 | 0.80 | 0.80 | 0.81 | 0.80 | 33,600 |   |  
            | 7/6/2018 | 0.00 / 0.00% | 0.80 | 0.90 | 0.70 | 0.80 | 0.80 | 0.80 | 232,800 |   |  			
            | 7/5/2018 | 0.00 / 0.00% | 0.80 | 0.90 | 0.80 | 0.80 | 0.80 | 0.80 | 676,300 |   |  
            | 7/4/2018 | 0.00 / 0.00% | 0.90 | 0.90 | 0.80 | 0.80 | 0.85 | 0.80 | 127,400 |   |  			
            | 7/3/2018 | 0.00 / 0.00% | 0.90 | 0.90 | 0.80 | 0.80 | 0.80 | 0.80 | 130,600 |   |  
            | 7/2/2018 | -0.10 / -11.11% | 0.90 | 0.90 | 0.80 | 0.80 | 0.83 | 0.80 | 113,500 |   |  			
            | 6/29/2018 | 0.00 / 0.00% | 1.00 | 1.00 | 0.90 | 0.90 | 0.90 | 0.90 | 129,600 |   |  
            | 6/28/2018 | 0.00 / 0.00% | 0.90 | 1.00 | 0.80 | 0.90 | 0.90 | 0.90 | 191,500 |   |  			
            | 6/27/2018 | 0.00 / 0.00% | 0.80 | 1.00 | 0.80 | 0.90 | 0.87 | 0.90 | 297,500 |   |  
            | 6/26/2018 | 0.00 / 0.00% | 0.90 | 0.90 | 0.80 | 0.90 | 0.90 | 0.90 | 40,500 |   |  			
            | 6/25/2018 | 0.00 / 0.00% | 0.90 | 1.00 | 0.80 | 0.90 | 0.90 | 0.90 | 303,200 |   |  
            | 6/22/2018 | +0.10 / +12.50% | 0.80 | 0.90 | 0.80 | 0.90 | 0.90 | 0.90 | 456,200 |   |  			
            | 6/21/2018 | -0.10 / -11.11% | 0.90 | 0.90 | 0.80 | 0.80 | 0.83 | 0.80 | 55,600 |   |  
            | 6/20/2018 | +0.10 / +12.50% | 0.80 | 0.90 | 0.80 | 0.90 | 0.88 | 0.90 | 105,500 |   |  			
            | 6/19/2018 | -0.10 / -11.11% | 0.90 | 0.90 | 0.80 | 0.80 | 0.85 | 0.80 | 84,000 |   |  
            | 6/18/2018 | 0.00 / 0.00% | 0.90 | 1.00 | 0.80 | 0.90 | 0.90 | 0.90 | 399,800 |   |  			
            | 6/15/2018 | 0.00 / 0.00% | 0.90 | 1.00 | 0.90 | 0.90 | 0.90 | 0.90 | 482,700 |   |  
            | 6/14/2018 | 0.00 / 0.00% | 0.90 | 1.00 | 0.90 | 0.90 | 0.94 | 0.90 | 122,900 |   |  			
            | 6/13/2018 | 0.00 / 0.00% | 0.90 | 1.00 | 0.80 | 0.90 | 0.90 | 0.90 | 932,300 |   |  
            | 6/12/2018 | +0.10 / +12.50% | 0.80 | 0.90 | 0.80 | 0.90 | 0.82 | 0.90 | 513,000 |   |  			
            | 6/11/2018 | -0.10 / -11.11% | 0.90 | 0.90 | 0.80 | 0.80 | 0.83 | 0.80 | 72,100 |   |  
            | 6/8/2018 | +0.10 / +12.50% | 0.80 | 0.90 | 0.80 | 0.90 | 0.82 | 0.90 | 246,900 |   |  			
            | 6/7/2018 | 0.00 / 0.00% | 0.80 | 0.90 | 0.80 | 0.80 | 0.81 | 0.80 | 167,900 |   |  
            | 6/6/2018 | 0.00 / 0.00% | 0.80 | 0.90 | 0.80 | 0.80 | 0.80 | 0.80 | 187,700 |   |  			
            | 6/5/2018 | -0.10 / -11.11% | 0.90 | 0.90 | 0.80 | 0.80 | 0.81 | 0.80 | 140,800 |   |  
            | 6/4/2018 | 0.00 / 0.00% | 0.90 | 0.90 | 0.80 | 0.90 | 0.85 | 0.90 | 245,500 |   |  |