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Copper

9010

9079

9000

9071

9049.75

8982.5

76507

466250

-775

2011/5/20

Aluminum

2522.1

2522.1

2500

2500

2489.5

2495

140816

4708750

-1075

2011/5/20

Lead

2475

2510

2475

2507

2518

2485

30363

317800

925

2011/5/20

Zinc

2161

2161

2151

2151

2138

2138

44616

851850

-275

2011/5/20

Tin

28049

28049

27750

27750

27702

28145

4020

22405

-10

2011/5/20

Nickel

23550

23550

23350

23540

23525

23475

31189

113568

-402

2011/5/20