Freeport-McMoRan could see a $1.6-billion boost to annual profit if President Donald Trump's copper tariff materializes, a benefit driven by the firm's role as the largest U.S. producer with more expansion options than rivals.

President Trump said Tuesday that an ongoing investigation of tariffs on copper will end with 50% duties on the metal, and he threatened 200% tariffs on pharmaceuticals.

President Donald Trump told reporters during a cabinet meeting Tuesday that more trade deals are on the way, especially in the form of letters setting rates unilaterally by the U.S. “The deals are mostly my deal to them,

An indicator of copper import demand in top consumer China jumped 38% on Wednesday, suggesting robust appetite for the metal, after U.S. President Donald Trump's plans for a 50% import tariff drove down benchmark prices in London.

Trump and his aides have repeatedly shifted their stance on tariffs in the weeks since the president’s “Liberation Day” announcement.

Donald Trump has revived his threat to hit major trading partners with steep “reciprocal” tariffs even as he granted a three-week reprieve for countries to negotiate trade deals with the US.

Major stock indexes were slightly lower on Friday as U.S. President Donald Trump's announcement of tariffs on imports from Canada fanned worries about trade tensions, with the Canadian dollar down against the greenback.