Product
Open
Close(am)
Previous open
Previous highest
Previous lowest
Previous settlement
Fluctuation
Update
Copper
73300
71900
73100
72520
200
2011/4/11
Aluminum
16690
16605
16650
16630
40
Lead
19250
19090
19005
19145
75
Zinc
18530
18275
18505
18250
18415
25
Gold
299.5
300
2011/4/8