President Donald Trump’s long-threatened tariffs against Canada and Mexico have gone into effect, kicking off a trade war with America's neighbors.

Trump originally put the tariffs on Canada and Mexico on hold for 30 days after the leaders of both countries said they would ...

WASHINGTON — President Donald Trump’s promised tariffs against Canada and Mexico went into effect Tuesday. Starting just past ...

German automakers, many of which have plants in Mexico that make vehicles that are sold in the United States, were especially ...

As President Donald Trump promised on the campaign trail and during his first month in the White House, the United States slapped Canada, Mexico and China with hefty tariffs on Tuesday, and all three ...

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

Stinging US tariffs on Canadian and Mexican goods came into effect as a deadline to avert President Donald Trump's levies ...

The impact on Ireland will depend on the shape of the tariffs that are imposed here. If it is confined to steel and aluminium – as well as car manufacturing, another area identified by the president – ...

The stock market experienced a sharp fall as Washington’s protectionist threat against its trading partners was fulfilled ...

Shares in European carmakers and automotive suppliers fell sharply on Tuesday, after U.S. tariffs of 25% took effect on ...

Donald Trump's tariffs on Canada, Mexico and China have turned back the clock 70 years, erasing decades of globalisation.