World Metal Price (US$) Date Sliver/Oz Zinc/Ton Aluminium/Tom Copper/Ton Platinum/Oz 5-December 32.77 2049.60 2018.18 7992.32 1546.006-December 31.99 2046.91 2097.54 7971.49 1514.007-December 32.69 2073.79 2100.67 8049.66 1531.008-December 32.60 2061.70 2067.30 7953.34 1517.009-December 31.67 2018.91 2048.93 7867.55 1489.00
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