President Donald Trump has signed an executive action directing the Commerce Department to examine possible copper tariffs, ...

Trade protections are needed to develop domestic copper smelting and refining capacity, White House source tell Reuters.

U.S. President Donald Trump on Tuesday opened yet another front in his assault on global trade norms, ordering a new probe ...

Yahoo Finance will chronicle the latest news and updates on Trump's tariffs — from the threats to the eventual policy.

The White House suggested Tuesday there is a strong case for copper import protections because the metal is an essential component of military hardware.

President Trump on Tuesday directed his Commerce secretary to investigate the need for possible tariffs on copper, the latest ...