| 
                 
                    Closing price on 9/5/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    0.80 | 
                 
                
                    | High | 
                    0.90 | 
                 
                
                    | Low | 
                    0.70 | 
                     
                
                    | Volume | 
                    554,700 | 
                                 
                
                    | Split-adjusted Price | 
                    0.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ACM Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/5/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.70
             |                           
            
                0.80
             | 
            
                0.80
             |                     
            
                0.80
             |                                 
            
                554,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.80
             |                     
            
                0.80
             |                                 
            
                154,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.80
             |                     
            
                0.80
             |                                 
            
                298,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.80
             |                     
            
                0.80
             |                                 
            
                170,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.80
             |                     
            
                0.80
             |                                 
            
                71,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.81
             |                     
            
                0.80
             |                                 
            
                107,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2018
             | 
            
                -0.10 / -11.11%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.82
             |                     
            
                0.80
             |                                 
            
                59,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2018
             | 
            
                +0.10 / +12.50%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.84
             |                     
            
                0.90
             |                                 
            
                148,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2018
             | 
            
                -0.10 / -11.11%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.80
             |                     
            
                0.80
             |                                 
            
                59,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2018
             | 
            
                +0.10 / +12.50%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.83
             |                     
            
                0.90
             |                                 
            
                172,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.82
             |                     
            
                0.80
             |                                 
            
                84,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2018
             | 
            
                -0.10 / -11.11%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.80
             |                     
            
                0.80
             |                                 
            
                119,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2018
             | 
            
                +0.10 / +12.50%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.86
             |                     
            
                0.90
             |                                 
            
                89,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.80
             |                     
            
                0.80
             |                                 
            
                139,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2018
             | 
            
                -0.10 / -11.11%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.81
             |                     
            
                0.80
             |                                 
            
                78,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2018
             | 
            
                +0.10 / +12.50%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.85
             |                     
            
                0.90
             |                                 
            
                134,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2018
             | 
            
                -0.10 / -11.11%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.81
             |                     
            
                0.80
             |                                 
            
                64,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2018
             | 
            
                +0.10 / +12.50%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.86
             |                     
            
                0.90
             |                                 
            
                72,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.80
             |                     
            
                0.80
             |                                 
            
                101,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.80
             |                     
            
                0.80
             |                                 
            
                116,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2018
             | 
            
                -0.10 / -11.11%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.80
             |                     
            
                0.80
             |                                 
            
                76,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                56,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.89
             |                     
            
                0.90
             |                                 
            
                107,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2018
             | 
            
                +0.10 / +12.50%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.83
             |                     
            
                0.90
             |                                 
            
                273,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/1/2018
             | 
            
                -0.10 / -11.11%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.83
             |                     
            
                0.80
             |                                 
            
                239,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/31/2018
             | 
            
                -0.10 / -10.00%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                242,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2018
             | 
            
                +0.10 / +11.11%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                0.91
             |                     
            
                1.00
             |                                 
            
                238,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                152,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                493,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                1.00
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                1,064,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |