text: Copper Prices Rally to 16-Year Highs Copper prices surged to 16-year highs on Friday as a strike at the world #39;s largest copper producer threatened to tighten world supplies.
inputs: Copper Prices Rally to 16-Year Highs Copper prices surged to 16-year highs on Friday as a strike at the world #39;s largest copper producer threatened to tighten world supplies.