World Metal Price (US$)Date Silver/Oz Zinc/Ton Aluminium/Ton Copper/Ton Platinum/Oz18-July 39.73 2619.68 2485.73 9814.33 1760.0019-July 39.11 2466.02 2535.23 9914.24 1769.0020-July 39.28 2459.30 2543.07 9911.33 1772.0021-July 40.23 2440.93 2521.34 9862.94 1778.0022-July 36.45 2449.88 2528.06 9769.98 1781.00Source:kitco.com
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