Wall Street suffers its worst day since 2020 but the White House tells investors to "trust in President Trump".

Global markets on Thursday were severely rattled by President Donald Trump’s historic tariff announcement, which threatens to ...

The president said the charges, at least 10 percent on nearly all trading partners, would restore fairness, but experts warned they could destabilize the world’s economy.

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