Product
Open
Close (a.m.)
Previous open
Previous highest
Previous lowest
Previous settlement
Fluctuation
Update
Copper
68300
68820
68900
67980
68280
200
2011/6/21
Aluminum
17010
16910
16955
70
Lead
16535
16550
16630
16455
16525
65
Zinc
17040
17090
16870
16960
55
Gold
316
315.9
315.95
2011/6/20