| 
    
        
            | 
                    Closing price on 4/18/2019
                 |  |  
    
        |           
                
                    | Open | 42.10 |  
                    | High | 43.90 |  
                    | Low | 41.50 |  
                    | Volume | 53,280 |  
                    | Split-adjusted Price | 16.54 |  
                
             | 
 |  ACL Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/18/2019 | -0.70 / -1.64% | 42.10 | 43.90 | 41.50 | 42.10 | 42.57 | 16.54 | 53,280 |   |  
            | 4/17/2019 | -3.20 / -6.96% | 46.00 | 46.40 | 42.80 | 42.80 | 43.89 | 16.81 | 148,020 |   |  			
            | 4/16/2019 | +1.50 / +3.37% | 44.00 | 47.30 | 43.30 | 46.00 | 45.85 | 18.07 | 146,350 |   |  
            | 4/12/2019 | +2.70 / +6.46% | 41.00 | 44.60 | 40.60 | 44.50 | 43.24 | 17.48 | 149,260 |   |  			
            | 4/11/2019 | +2.25 / +5.69% | 42.20 | 42.30 | 41.50 | 41.80 | 42.17 | 16.42 | 273,190 |   |  
            | 4/10/2019 | +2.55 / +6.89% | 39.55 | 39.55 | 39.40 | 39.55 | 39.54 | 15.54 | 109,560 |   |  			
            | 4/9/2019 | -0.90 / -2.37% | 37.60 | 38.50 | 37.00 | 37.00 | 37.34 | 14.53 | 32,590 |   |  
            | 4/8/2019 | -0.30 / -0.79% | 38.00 | 39.00 | 37.35 | 37.90 | 37.67 | 14.89 | 16,060 |   |  			
            | 4/5/2019 | -0.50 / -1.29% | 38.80 | 39.20 | 37.50 | 38.20 | 38.05 | 15.01 | 15,190 |   |  
            | 4/4/2019 | +2.40 / +6.61% | 36.30 | 38.70 | 36.30 | 38.70 | 37.61 | 15.20 | 54,130 |   |  			
            | 4/3/2019 | 0.00 / 0.00% | 36.50 | 36.50 | 35.50 | 36.30 | 35.96 | 14.26 | 6,980 |   |  
            | 4/2/2019 | +0.80 / +2.25% | 35.50 | 37.00 | 35.50 | 36.30 | 36.25 | 14.26 | 16,580 |   |  			
            | 4/1/2019 | -0.80 / -2.20% | 36.30 | 36.70 | 35.50 | 35.50 | 35.90 | 13.95 | 16,630 |   |  
            | 3/29/2019 | -0.20 / -0.55% | 36.95 | 36.95 | 36.30 | 36.30 | 36.51 | 14.26 | 11,750 |   |  			
            | 3/28/2019 | -0.30 / -0.82% | 36.80 | 36.80 | 36.10 | 36.50 | 36.39 | 14.34 | 5,880 |   |  
            | 3/27/2019 | -0.15 / -0.41% | 36.95 | 36.95 | 36.00 | 36.80 | 36.36 | 14.46 | 21,040 |   |  			
            | 3/26/2019 | -0.25 / -0.67% | 37.30 | 37.75 | 36.40 | 36.95 | 36.83 | 14.51 | 4,290 |   |  
            | 3/25/2019 | -0.60 / -1.59% | 36.60 | 37.70 | 36.50 | 37.20 | 36.87 | 14.61 | 20,530 |   |  			
            | 3/22/2019 | +0.25 / +0.67% | 38.40 | 38.40 | 37.60 | 37.80 | 37.71 | 14.85 | 7,690 |   |  
            | 3/21/2019 | -1.20 / -3.10% | 38.95 | 38.95 | 37.55 | 37.55 | 38.00 | 14.75 | 17,870 |   |  			
            | 3/20/2019 | -0.25 / -0.64% | 39.00 | 39.00 | 37.60 | 38.75 | 38.54 | 15.22 | 19,280 |   |  
            | 3/19/2019 | -0.30 / -0.76% | 39.60 | 39.60 | 38.30 | 39.00 | 38.98 | 15.32 | 34,760 |   |  			
            | 3/18/2019 | +2.20 / +5.93% | 37.50 | 39.45 | 37.50 | 39.30 | 38.78 | 15.44 | 113,660 |   |  
            | 3/15/2019 | +0.10 / +0.27% | 37.30 | 37.30 | 36.00 | 37.10 | 36.41 | 14.57 | 37,570 |   |  			
            | 3/14/2019 | -0.35 / -0.94% | 37.80 | 37.80 | 36.60 | 37.00 | 36.99 | 14.53 | 14,030 |   |  
            | 3/13/2019 | +0.15 / +0.40% | 37.90 | 37.90 | 37.30 | 37.35 | 37.45 | 14.67 | 8,090 |   |  			
            | 3/12/2019 | +0.50 / +1.36% | 36.70 | 38.90 | 36.70 | 37.20 | 37.37 | 14.61 | 25,960 |   |  
            | 3/11/2019 | -1.40 / -3.67% | 38.10 | 38.90 | 36.70 | 36.70 | 37.29 | 14.42 | 44,090 |   |  			
            | 3/8/2019 | -1.10 / -2.81% | 39.20 | 39.20 | 38.10 | 38.10 | 38.48 | 14.97 | 23,000 |   |  
            | 3/7/2019 | +0.15 / +0.38% | 39.20 | 39.70 | 38.80 | 39.20 | 39.12 | 15.40 | 30,520 |   |  |