| 
    
        
            | 
                    Closing price on 1/5/2018
                 |  |  
    
        |           
                
                    | Open | 1.60 |  
                    | High | 1.60 |  
                    | Low | 1.50 |  
                    | Volume | 122,100 |  
                    | Split-adjusted Price | 1.50 |  
                
             | 
 |  ACM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/5/2018 | -0.10 / -6.25% | 1.60 | 1.60 | 1.50 | 1.50 | 1.52 | 1.50 | 122,100 |   |  
            | 1/4/2018 | 0.00 / 0.00% | 1.50 | 1.60 | 1.50 | 1.60 | 1.58 | 1.60 | 141,001 |   |  			
            | 1/3/2018 | -0.10 / -5.88% | 1.70 | 1.70 | 1.60 | 1.60 | 1.60 | 1.60 | 1,134,833 |   |  
            | 1/2/2018 | 0.00 / 0.00% | 1.70 | 1.70 | 1.60 | 1.70 | 1.67 | 1.70 | 123,300 |   |  			
            | 12/29/2017 | 0.00 / 0.00% | 1.70 | 1.70 | 1.60 | 1.70 | 1.66 | 1.70 | 38,405 |   |  
            | 12/28/2017 | +0.10 / +6.25% | 1.70 | 1.70 | 1.60 | 1.70 | 1.62 | 1.70 | 109,975 |   |  			
            | 12/27/2017 | -0.10 / -5.88% | 1.70 | 1.80 | 1.60 | 1.60 | 1.69 | 1.60 | 397,600 |   |  
            | 12/26/2017 | 0.00 / 0.00% | 1.70 | 1.70 | 1.60 | 1.70 | 1.65 | 1.70 | 84,430 |   |  			
            | 12/25/2017 | 0.00 / 0.00% | 1.70 | 1.80 | 1.60 | 1.70 | 1.70 | 1.70 | 731,550 |   |  
            | 12/22/2017 | +0.10 / +6.25% | 1.70 | 1.70 | 1.60 | 1.70 | 1.69 | 1.70 | 1,411,723 |   |  			
            | 12/21/2017 | 0.00 / 0.00% | 1.60 | 1.70 | 1.50 | 1.60 | 1.60 | 1.60 | 716,620 |   |  
            | 12/20/2017 | 0.00 / 0.00% | 1.60 | 1.70 | 1.50 | 1.60 | 1.61 | 1.60 | 153,420 |   |  			
            | 12/19/2017 | -0.10 / -5.88% | 1.60 | 1.70 | 1.60 | 1.60 | 1.60 | 1.60 | 303,200 |   |  
            | 12/18/2017 | +0.10 / +6.25% | 1.60 | 1.70 | 1.50 | 1.70 | 1.60 | 1.70 | 1,039,170 |   |  			
            | 12/15/2017 | +0.10 / +6.67% | 1.60 | 1.60 | 1.50 | 1.60 | 1.52 | 1.60 | 543,610 |   |  
            | 12/14/2017 | 0.00 / 0.00% | 1.50 | 1.60 | 1.50 | 1.50 | 1.51 | 1.50 | 64,163 |   |  			
            | 12/13/2017 | -0.10 / -6.25% | 1.60 | 1.60 | 1.50 | 1.50 | 1.52 | 1.50 | 238,010 |   |  
            | 12/12/2017 | +0.10 / +6.67% | 1.60 | 1.60 | 1.50 | 1.60 | 1.52 | 1.60 | 296,935 |   |  			
            | 12/11/2017 | 0.00 / 0.00% | 1.60 | 1.60 | 1.50 | 1.50 | 1.52 | 1.50 | 405,200 |   |  
            | 12/8/2017 | -0.10 / -6.25% | 1.60 | 1.70 | 1.50 | 1.50 | 1.60 | 1.50 | 350,150 |   |  			
            | 12/7/2017 | +0.10 / +6.67% | 1.60 | 1.60 | 1.50 | 1.60 | 1.60 | 1.60 | 67,410 |   |  
            | 12/6/2017 | -0.10 / -6.25% | 1.70 | 1.70 | 1.50 | 1.50 | 1.58 | 1.50 | 436,820 |   |  			
            | 12/5/2017 | 0.00 / 0.00% | 1.70 | 1.70 | 1.50 | 1.60 | 1.61 | 1.60 | 679,713 |   |  
            | 12/4/2017 | 0.00 / 0.00% | 1.60 | 1.70 | 1.50 | 1.60 | 1.56 | 1.60 | 764,117 |   |  			
            | 12/1/2017 | +0.10 / +6.67% | 1.50 | 1.60 | 1.40 | 1.60 | 1.51 | 1.60 | 369,400 |   |  
            | 11/30/2017 | +0.10 / +7.14% | 1.50 | 1.50 | 1.40 | 1.50 | 1.45 | 1.50 | 277,323 |   |  			
            | 11/29/2017 | -0.10 / -6.67% | 1.60 | 1.60 | 1.40 | 1.40 | 1.46 | 1.40 | 155,050 |   |  
            | 11/28/2017 | 0.00 / 0.00% | 1.50 | 1.60 | 1.40 | 1.50 | 1.50 | 1.50 | 555,855 |   |  			
            | 11/27/2017 | +0.10 / +7.14% | 1.40 | 1.50 | 1.40 | 1.50 | 1.49 | 1.50 | 258,600 |   |  
            | 11/24/2017 | 0.00 / 0.00% | 1.50 | 1.50 | 1.40 | 1.40 | 1.41 | 1.40 | 63,270 |   |  |