U.S. President Donald Trump said on Tuesday he would announce a 50% tariff on copper imports, sending U.S. Comex copper futures up more than 12% to a record high. Prices on the Shanghai Futures Exchan

U.S. President Donald Trump indicated a sweeping 50% tariff on all copper imports into the country, significantly escalating ongoing global trade tensions.

Copper futures in New York surged after US President Donald Trump said he planned to implement a 50% tariff on imports, a move that’s likely to spark massive supply-chain ripples through global metal markets.