U.S. Comex copper futures plunged 19.5% after the announcement, quickly unwinding a premium over the London global benchmark ...

Grupo Mexico, a major copper producer, is looking to decide on investments for projects in the United States within the next ...

President Donald Trump signed executive actions on Wednesday imposing a 50% tariff on Brazil, a 50% tariff on certain copper ...

Plus: Trump slaps 25% tariff on Indian imports, warns of penalties over Russian ties; Copper prices plummet 19% after key ...

President Donald Trump announced a 50% tariff on semi-finished copper products, excluding ores and cathodes. This unexpected move led to a significant drop in U.S. Comex copper futures, impacting ...

President Trump on Wednesday formalized a tariff on all copper imports, after posting about it on social media earlier in the month.

Critical minerals play an essential role in security and technological competitiveness, but the United States relies heavily ...

(Reuters) -- The United States will impose a 50% tariff on copper pipes and wiring, President Donald Trump said on Wednesday, but details of the levy fell short of the sweeping restrictions expected ...