World Metal Price (US$)Date Silver/Oz Zinc/Ton Aluminium/Ton Copper/Ton Platinum/Oz1-August 39.45 2521.34 2639.84 10010.34 1796.002-August 39.68 2459.74 2559.87 9833.15 1789.003-August 41.05 2455.26 2566.14 9821.73 1793.004-August 41.58 2403.30 2506.56 9737.28 1761.005-August 39.35 2275.39 2451.90 9377.09 1695.00Source:kitco.com
Background