World Metal Price (US$) Date Sliver/Oz Zinc/Ton Aluminum/Tom Copper/Ton Platinum/Oz 18-June 28.50 1942.53 1927.97 7674.24 1494.00 19-June 28.86 1923.04 1906.02 7638.18 1487.00 20-June 28.41 1930.43 1907.58 7675.36 1481.00 21-June 27.41 1896.38 1882.50 7538.72 1452.00 22-June 26.78 1855.39 1837.47 7371.84 1423.00
Background