Copper’s 13% surge yesterday propelled it decisively above a critical resistance zone that has capped gains for several years. Click to read.

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.

It was another day of reacting to Donald Trump’s latest remarks. The president sowed chaos in metals markets by indicating the US would implement a higher-than-expected 50% tariff on copper imports, spurring a record spike in New York futures and a drop in the global benchmark.