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Copper 

9640

9705

9638

9700

9681.5

9611

91434

456275

2575

2011/4/21

Aluminum 

2741

2755

2731.3

2745

2734

2731.5

197381

4603075

-1725

2011/4/21

Lead 

2630

2636.8

2600.9

2601

2635

2670

35452

304625

2675

2011/4/21

Zinc 

2363.5

2367

2358

2360

2336.5

2336.5

60917

814300

2200

2011/4/21

Tin

32663.5

32664

32663.5

32664

32680

32675

11527

20185

-125

2011/4/21

Nickel 

26750

26900

26689.5

26900

26880

26655

25019

117942

-270

2011/4/21