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            | 
                 
                    Closing price on 3/17/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.01 | 
                 
                
                    | High | 
                    3.01 | 
                 
                
                    | Low | 
                    2.92 | 
                     
                
                    | Volume | 
                    90,100 | 
                                 
                
                    | Split-adjusted Price | 
                    2.98 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
QBS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/17/2021
             | 
            
                -0.01 / -0.33%
             |             
            
                3.01
             |           
            
                3.01
             |               
            
                2.92
             |                           
            
                2.98
             | 
            
                2.99
             |                     
            
                2.98
             |                                 
            
                90,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2021
             | 
            
                +0.03 / +1.01%
             |             
            
                2.92
             |           
            
                3.08
             |               
            
                2.89
             |                           
            
                2.99
             | 
            
                2.95
             |                     
            
                2.99
             |                                 
            
                334,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2021
             | 
            
                -0.14 / -4.52%
             |             
            
                2.92
             |           
            
                3.00
             |               
            
                2.89
             |                           
            
                2.96
             | 
            
                2.96
             |                     
            
                2.96
             |                                 
            
                267,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2021
             | 
            
                -0.04 / -1.27%
             |             
            
                3.14
             |           
            
                3.14
             |               
            
                3.02
             |                           
            
                3.10
             | 
            
                3.05
             |                     
            
                3.10
             |                                 
            
                258,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2021
             | 
            
                +0.01 / +0.32%
             |             
            
                3.10
             |           
            
                3.24
             |               
            
                3.05
             |                           
            
                3.14
             | 
            
                3.13
             |                     
            
                3.14
             |                                 
            
                242,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2021
             | 
            
                +0.18 / +6.10%
             |             
            
                2.95
             |           
            
                3.15
             |               
            
                2.95
             |                           
            
                3.13
             | 
            
                3.10
             |                     
            
                3.13
             |                                 
            
                690,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2021
             | 
            
                0.00 / 0.00%
             |             
            
                2.97
             |           
            
                2.97
             |               
            
                2.86
             |                           
            
                2.95
             | 
            
                2.90
             |                     
            
                2.95
             |                                 
            
                396,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2021
             | 
            
                +0.05 / +1.72%
             |             
            
                2.90
             |           
            
                2.95
             |               
            
                2.88
             |                           
            
                2.95
             | 
            
                2.91
             |                     
            
                2.95
             |                                 
            
                349,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2021
             | 
            
                -0.15 / -4.92%
             |             
            
                3.05
             |           
            
                3.05
             |               
            
                2.86
             |                           
            
                2.90
             | 
            
                2.95
             |                     
            
                2.90
             |                                 
            
                473,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2021
             | 
            
                +0.19 / +6.64%
             |             
            
                3.06
             |           
            
                3.06
             |               
            
                2.80
             |                           
            
                3.05
             | 
            
                3.00
             |                     
            
                3.05
             |                                 
            
                863,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2021
             | 
            
                +0.18 / +6.72%
             |             
            
                2.86
             |           
            
                2.86
             |               
            
                2.76
             |                           
            
                2.86
             | 
            
                2.86
             |                     
            
                2.86
             |                                 
            
                677,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2021
             | 
            
                +0.17 / +6.77%
             |             
            
                2.68
             |           
            
                2.68
             |               
            
                2.67
             |                           
            
                2.68
             | 
            
                2.68
             |                     
            
                2.68
             |                                 
            
                333,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2021
             | 
            
                +0.16 / +6.81%
             |             
            
                2.39
             |           
            
                2.51
             |               
            
                2.39
             |                           
            
                2.51
             | 
            
                2.49
             |                     
            
                2.51
             |                                 
            
                489,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2021
             | 
            
                +0.02 / +0.86%
             |             
            
                2.33
             |           
            
                2.37
             |               
            
                2.32
             |                           
            
                2.35
             | 
            
                2.33
             |                     
            
                2.35
             |                                 
            
                87,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2021
             | 
            
                +0.03 / +1.30%
             |             
            
                2.37
             |           
            
                2.37
             |               
            
                2.31
             |                           
            
                2.33
             | 
            
                2.33
             |                     
            
                2.33
             |                                 
            
                78,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2021
             | 
            
                -0.07 / -2.95%
             |             
            
                2.37
             |           
            
                2.38
             |               
            
                2.30
             |                           
            
                2.30
             | 
            
                2.34
             |                     
            
                2.30
             |                                 
            
                66,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2021
             | 
            
                +0.01 / +0.42%
             |             
            
                2.36
             |           
            
                2.37
             |               
            
                2.32
             |                           
            
                2.37
             | 
            
                2.36
             |                     
            
                2.37
             |                                 
            
                54,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2021
             | 
            
                0.00 / 0.00%
             |             
            
                2.36
             |           
            
                2.42
             |               
            
                2.36
             |                           
            
                2.36
             | 
            
                2.37
             |                     
            
                2.36
             |                                 
            
                114,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2021
             | 
            
                +0.04 / +1.72%
             |             
            
                2.33
             |           
            
                2.40
             |               
            
                2.33
             |                           
            
                2.36
             | 
            
                2.37
             |                     
            
                2.36
             |                                 
            
                160,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2021
             | 
            
                +0.02 / +0.87%
             |             
            
                2.33
             |           
            
                2.33
             |               
            
                2.26
             |                           
            
                2.32
             | 
            
                2.30
             |                     
            
                2.32
             |                                 
            
                209,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2021
             | 
            
                +0.01 / +0.44%
             |             
            
                2.29
             |           
            
                2.38
             |               
            
                2.25
             |                           
            
                2.30
             | 
            
                2.31
             |                     
            
                2.30
             |                                 
            
                93,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2021
             | 
            
                +0.03 / +1.33%
             |             
            
                2.29
             |           
            
                2.29
             |               
            
                2.18
             |                           
            
                2.29
             | 
            
                2.26
             |                     
            
                2.29
             |                                 
            
                26,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2021
             | 
            
                -0.01 / -0.44%
             |             
            
                2.28
             |           
            
                2.28
             |               
            
                2.19
             |                           
            
                2.26
             | 
            
                2.23
             |                     
            
                2.26
             |                                 
            
                89,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2021
             | 
            
                +0.04 / +1.79%
             |             
            
                2.30
             |           
            
                2.30
             |               
            
                2.21
             |                           
            
                2.27
             | 
            
                2.24
             |                     
            
                2.27
             |                                 
            
                78,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2021
             | 
            
                -0.05 / -2.19%
             |             
            
                2.28
             |           
            
                2.32
             |               
            
                2.23
             |                           
            
                2.23
             | 
            
                2.30
             |                     
            
                2.23
             |                                 
            
                56,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2021
             | 
            
                +0.11 / +5.07%
             |             
            
                2.17
             |           
            
                2.29
             |               
            
                2.17
             |                           
            
                2.28
             | 
            
                2.24
             |                     
            
                2.28
             |                                 
            
                149,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2021
             | 
            
                -0.03 / -1.36%
             |             
            
                2.20
             |           
            
                2.20
             |               
            
                2.08
             |                           
            
                2.17
             | 
            
                2.11
             |                     
            
                2.17
             |                                 
            
                34,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2021
             | 
            
                -0.08 / -3.51%
             |             
            
                2.16
             |           
            
                2.28
             |               
            
                2.13
             |                           
            
                2.20
             | 
            
                2.16
             |                     
            
                2.20
             |                                 
            
                313,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2021
             | 
            
                -0.05 / -2.15%
             |             
            
                2.17
             |           
            
                2.32
             |               
            
                2.17
             |                           
            
                2.28
             | 
            
                2.20
             |                     
            
                2.28
             |                                 
            
                241,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2021
             | 
            
                -0.17 / -6.80%
             |             
            
                2.33
             |           
            
                2.35
             |               
            
                2.33
             |                           
            
                2.33
             | 
            
                2.33
             |                     
            
                2.33
             |                                 
            
                159,600
             |  
            
                 
             |                                                              
             
    
         
    
    
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 Market Update 
        
            
                Last updated at 3:10:02 PM
                                                                
            
            
            
            
        
        
     
 
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