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

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

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

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

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

US President Donald Trump is considering significant tariffs, potentially 200% on pharmaceuticals and 50% on copper imports, ...

U.S. President Donald Trump said on Tuesday he would announce a 50% tariff on copper imports, sending U.S. Comex copper ...

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

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 ...

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

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