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

The president has published just 22 letters, many to minor trading partners like Brunei, Moldova and Sri Lanka.

President Donald Trump says he will put a 50% tariff on copper imports before noting the value of the versatile metal.

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

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

United States President Donald Trump upped the stakes in his global trade war on Tuesday, with the announcement of plans to ...

President Donald Trump has announced that the U.S. will impose a 50% tariff on imported copper, marking a significant ...

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

Copper prices in the United States jumped more than 12% to a record high above $12,330 per metric ton after U.S. President ...

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

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

Price increases could hit coffee, shoes, appliances and other products following a flurry of tariffs issued by President ...