Trump says US to impose 50% tariff on copper imports, copper futures jump

By Andrea Shalal, Jarrett Renshaw and Ernest Scheyder WASHINGTON (Reuters) -President Donald Trump said he will announce a 50% tariff on copper on Tuesday, hoping to boost U.S. production of a metal critical to electric vehicles, military hardware, the power grid and many consumer goods. U.S. Comex copper futures jumped more than 12% to a record high after Trump announced the planned tariffs,