Product

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Fluctuation

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Copper

49920

50370

49770

47010

2910

2017-07-31

Aluminum

14250

14290

14220

14140

110

2017-07-31

Zinc

23125

23275

23060

23080

45

2017-07-31

Lead

18065

18210

18065

17810

255

2017-07-31