World Metal Price (US$) Date Sliver/Oz Zinc/Ton Aluminium/Tom Copper/Ton Platinum/Oz 12-December 31.64 2000.99 2034.37 7841.34 1502.0013-December 31.07 1970.08 2012.19 7747.04 1483.0014-December 30.89 1929.31 1992.70 7618.69 1475.0015-December 28.30 1886.08 1956.42 7260.06 1385.0016-December 29.41 1908.70 1983.74 7391.55 1418.00
Background