Product

Open

Close (am)

Previous open

Previous highest

Previous lowest

Previous settlement

Fluctuation

Update

Copper

73780

74310

74450

73100

73910

680

2011/2/21

Aluminum

16890

16945

16945

16830

16870

45

2011/2/21

Zinc

1974

19600

19835

19015

19655

-17476

2011/2/21

Gold

287.42

287.42

287.42

287.45

287.45

287.42

0

2011/2/18