Canada's main index ended more than 10% below its January 30 record closing high on Friday, after China's move to retaliate ...

Canada is prepared to retaliate and lead the charge against the United States in an emerging trade war and wants Europe and ...

Some countries, like China, have already set countermeasures to Trump's tariffs, while others are looking to negotiate ...

Switzerland, which received a 32% tariff increase on its exports to the US, is the European country most affected by Donald ...

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