Copper futures traded on the Comex in New York rose as much as 4.9% before paring ... plans to impose 25% tariffs on all imports of steel and aluminum from March 12, widening Section 232 action ...

New York COMEX copper futures rose as high as 3.1% on Wednesday to ... The prospective tariffs follow previous tariffs on steel, aluminum and other goods, which have had a supply chain-whipping ...

Trading on the LME copper contract, as measured by average daily volumes, rose by 10.6 percent in the first quarter ... According to the exchange, the LME Steel HRC FOB China (Argus) contract ...