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.

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

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

President Donald Trump announced Wednesday that a 50 percent tariff on US imports of copper, a key metal for green energy and ...

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

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.

U.S. President Donald Trump's announcement of a proposed 50% tariff on copper imports has raised concerns in Chile and Peru, ...

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

President Donald Trump on Wednesday affirmed that the United States will levy a 50 percent tariff on copper imports starting ...

U.S. President Donald Trump did not say when the copper tariffs would take effect, but noted he would give drug makers up to ...