U.S. President Donald Trump's threat of a 50% tariff on copper imports is raising alarm in the U.S. auto sector, as it could ...

The Aug. 1 deadline for Trump's 50% copper tariffs signals the endgame for the most profitable trade that industry veterans ...

Freeport-McMoRan could see a $1.6-billion boost to annual profit if President Donald Trump's copper tariff materializes, a ...

The metal is used in manufacturing everything from automobiles to mobile phones.

Copper prices—and mining stocks—rose after President Trump confirmed a 50% tariff on the metal will take effect Aug. 1.

MMG and Hudbay Minerals executives met with Peru's cabinet chief this week to warn that production at their copper mines ...

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

President Trump wants America to produce more of the much-needed mineral, but a 50 percent tariff could undermine his aim of ...

Native leaders say the courts have not treated religious rights equally, pointing to the current fight over Oak Flat.

The Houghton County Historical Society has restored and recertified the Calumet & Hecla Mine #3 Steam Locomotive. Visitors ...

Manufacturers and construction companies — as well as consumers — would face higher prices if the U.S. jacks up tariffs on ...

Copper futures rose dramatically following President Trump's plan for a 50% import tariff, pushing domestic prices to a 25% ...