Donald Trump announced a 50 percent tariff on copper, a move that is sure to slow production and make prices skyrocket.

U.S. President Donald Trump's plans to impose 50% tariffs on copper would include semi-finished products such as those used ...

Chilean copper miner Antofagasta sees opportunity for its stalled copper project in the U.S. following President Donald Trump ...

Prices of copper in the US have surged since January, when President Donald Trump threatened to impose a tariff on imports of ...

President Donald Trump said he will put a 50% tariff on copper imports effective Aug. 1. "I am announcing a 50% tariff on ...

The president was following through on an earlier statement that he would target a key metal used for semiconductors, lithium ...

The planned 50% tariff on copper imports may turn out to be the biggest own goal of U.S. President Donald Trump's ongoing ...

President Donald Trump announced on Wednesday night that the United States will impose a 50 percent tariff on copper, ...

President Donald Trump escalated his trade war, sending letters to more than 20 countries, threatening steep tariffs unless ...

Freeport McMoRan, Southern Copper, Newmont, Rio Tinto, and BHP were all rising Thursday after President Donald Trump said a ...

The exchange with Brazil suggests Trump also sees tariffs as a tool to influence other policies of foreign countries.

Metals are the latest market upended by President Donald Trump after he confirmed long-touted plans to impose a 50% import ...