World Metal Price (US$) Date Sliver/Oz Zinc/Ton Aluminum/Tom Copper/Ton Platinum/Oz 7- May 30.15 2008.38 2076.93 8442.34 1518.00 8- May 29.73 2022.72 2059.01 8417.47 1524.00 9- May 29.05 2006.82 2038.40 8272.32 1505.00 10- May 29.23 1995.84 2036.38 8321.60 1504.00 11- May 28.76 1976.35 2020.26 8285.09 1473.00
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