"American industries depend on copper, and it should be made in America, no exemptions, no exceptions," Commerce Secretary Howard Lutnick said.

President Donald Trump is taking a step toward granting the U.S. mining industry’s biggest wishes by singling out one metal as a focus of his domestic minerals policy: copper. From talk of acquiring Greenland and its vast mineral wealth to prodding Ukraine for minerals in exchange for help fending off Russia's invasion,

China's commerce ministry on Thursday urged the United States to halt its tariff probe into copper imports as soon as possible, vowing to resolutely oppose it if U.S. goes ahead with the action.

President Donald Trump signed two executive orders on Tuesday, focusing on price transparency requirements in the health care industry and examining the supply of copper in the American market. More than a month into his second administration,

President Donald Trump opened yet another front on Tuesday in his assault on global trade norms, ordering a probe into potential new tariffs on copper imports to rebuild U.S. production of a metal critical to electric vehicles,

An executive order calls for boosting the domestic industry by investigating the national security implications of imports and weighing tariffs.

Copper is used extensively in the electronic goods sector from transformers to radios and TVs but is also a critical component in wiring, alternators, radiators, industrial machinery, and electrical motors.

It could mean a new day for U.S. copper mining, and new worries for environmental groups that are contesting proposals such as the stalled Twin Metals project near northern Minnesota's Boundary Waters,

Countries are exploring possible deals with the United States to ease tariff rates, which the US treasury secretary said this week were a crucial part of Donald Trump's economic policy, as the president suddenly ordered a probe into potential new tariffs on copper imports that looks to have China in its sights.

President Trump on Tuesday directed his Commerce secretary to investigate the need for possible tariffs on copper, the latest industry to potentially be targeted by Trump’s sweeping trade agenda.