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

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

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 said he will put a 50% tariff on copper imports effective Aug. 1. "I am announcing a 50% tariff on ...

The planned 50% tariff on copper imports may turn out to be the biggest own goal of U.S. President Donald Trump's ongoing ...

Trump on Tuesday said he would impose 50 per cent tariffs on copper imports, an announcement that reverberated across the ...

U.S. President Donald Trump announced on Wednesday a new 50% tariff on copper to start on August 1 in a bid to promote ...

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 ...

Trump also said he would soon announce tariffs “at a very, very high rate, like 200%,” on pharmaceutical imports.

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