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

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 ...

The time required to bring new marginal copper production online is measured in years, not months, one executive said.

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 ...

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 ...

🤦🏼♀️ Good god, Trump is actively trying to destroy whole industries on his way out the door. Forget the defense industry, ...

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

By David Lawder, Andrea Shalal and Julia PayneWASHINGTON/BRUSSELS (Reuters) -U.S. President Donald Trump launched his global ...