World Metal Price (US$) Date Sliver/Oz Zinc/Ton Aluminum/Tom Copper/Ton Platinum/Oz 11-June 28.83 1918.56 1975.68 7567.84 1447.00 12-June 28.55 1907.81 1951.49 7450.91 1430.00 13-June 28.82 1906.91 1951.94 7514.75 1451.00 14-June 29.99 1912.06 1947.90 7497.06 1478.00 15-June 28.75 1941.63 1941.63 7592.26 1494.00
Background