US President's 25% tariffs on all steel and aluminium imports into the country took effect today. The European Union (EU) retaliated with a move which affects $28 billion worth of EU exports into the ...

China has announced tariffs on more than $2.6 billion worth of Canadian agricultural and food products, retaliating against ...

A new report on the Council on Foreign Relations begins in urgency: "It is impossible to overstate the importance of space to ...

Trump’s 25% tariffs on steel and aluminum begin; Canada joins Europe with $20bn retaliation: Live updates - President’s ...

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