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

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

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

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

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

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 said his 50% tariff on copper imports will take effect on Aug. 1, noting he made the decision after a ...

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

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

CNBC's Steve Sedgewick, Karen Tso and Julianna Tatelbaum discuss the copper market after U.S. President Donald Trump says he ...

US buyers of copper will pay a high price if President Donald Trump pushes ahead with a 50% tariff on refined metal as ...

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