Product
Open
Close (a.m.)
Previous open
Previous highest
Previous lowest
Previous settlement
Fluctuation
Update
Copper
68950
69290
68720
68860
100
2011/5/31
Aluminum
16750
16655
16725
16710
50
Lead
17115
17230
17370
17030
17170
75
Zinc
17035
17155
17210
17000
17090
-15
Gold
321.54
320.88
322.58
319.17
320.8
1.54