World Metal Price (US$)Date Silver/Oz Zinc/Ton Aluminium/Ton Copper/Ton Platinum/Oz11-July 36.42 2356.93 2496.93 9720.26 1726.0012-July 35.15 2321.76 2440.26 9593.92 1711.0013-July 36.58 2405.76 2491.33 9873.92 1741.0014-July 38.46 2386.72 2510.14 9795.97 1766.0015-July 38.53 2362.98 2487.52 9748.93 1753.00Source:kitco.com
Background