World Metal Price (US$) Date Silver/Oz Zinc/Ton Aluminium/Ton Copper/Ton Platinum/Oz13-June 35.71 2257.92 2595.27 9032.80 1819.0014-June 35.12 2269.34 2578.24 9102.91 1808.0015-June 35.17 2286.14 2620.80 9252.77 1789.0016-June 35.50 2262.85 2553.60 9174.59 1766.0017-June 35.36 2251.20 2545.31 9160.03 1764.00Source:kitco.com
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