A U.S. decision last week to exempt refined copper metal from import duties is in contrast to an earlier move to levy steep ...

With 47 million tons of copper resources, the U.S. has untapped potential, but new mines and smelters take decades to develop ...

Raw copper materials will not face the high duty that had been expected, but consumer goods prices may still be impacted.

U.S. President Donald Trump on Wednesday issued a blitz of tariff announcements ranging from changes to previously threatened ...

U.S. copper prices plunged after President Trump unveiled 50% tariffs on copper products, but not on the raw material itself.

The red metal fell 0.6% after LME data showed readily available copper inventories jumped to the highest since March.

But Kathleen Quirk, president and chief executive of US copper producer Freeport McMoran, said in an earnings call in July that it was “not a given that you can bring on refined copper [capacity] very ...