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

Prime-minister designate Mark Carney met with Ontario Premier Doug Ford this morning, ahead of the provincial leader’s trip ...

Trump’s 25% tariffs on steel and aluminum begin, angering European allies: Live updates - President’s action to protect American metals producers steps up campaign to reorder global trade ...

Shares of steel makers and aluminum companies are mostly higher as President Trump’s 25% tariffs on steel and aluminum go ...

President Donald Trump is defending his use of tariffs, claiming they will strengthen the economy long-term while downplaying ...

Liesman, a senior economics reporter for CNBC, criticized Trump over his trade policy on Canada, the U.S.’s largest trading partner.

The Premier of Ontario has announced the suspension of a planned 25% tariff on electricity sold to some U.S. states. The decision came after a phone call between Doug Ford and U.S. Commerce Secretary ...

Here are five key things investors need to know to start the trading day: 1. Back and forth. Stock futures were higher in ...

Donald Trump has warned that the US will respond after Ontario's premier announced a sizable tax increase on electricity ...

Now, new tariffs applied to steel and aluminum have taken effect which is expected to aggravate growing tensions with America's trading partners. The tax hike raises a flat duty to the metals entering ...