World Metal Price (US$) Date Sliver/Oz Zinc/Ton Aluminum/Tom Copper/Ton Platinum/Oz 25-June 26.77 1860.10 1850.91 7476.67 1435.00 26-June 27.41 1831.42 1839.49 7474.43 1435.00 27-June 26.99 1802.98 1821.79 7475.78 1419.00 28-June 27.02 1814.18 1856.74 7552.61 1408.00 29-June 26.87 1854.50 1844.19 7648.48 1409.00
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