President Donald Trump escalated his trade war with Canada on Tuesday, pledging to double his planned steel and aluminum ...

Ontario Premier Doug Ford said that he would not “hesitate” to completely shut the electricity off if US President Donald Trump continues the trade war.

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

President Donald Trump is not taking a passive approach to the escalating tariff war between the United States and Canada.

Trump boosted the punitive tax on imported aluminum and steel from 25% to 50% effective Wednesday after Ontario premier Doug ...

President Donald Trump's net worth has tumbled from $7 billion on January 13 to $4.6 billion on Monday, according to Forbes, ...

But Trump announced time was up on March 3, and the tariffs went into effect overnight. Stock markets slipped, Canada ordered ...

United States President Donald Trump said he was increasing the steel and aluminum tariff on Canadian goods to 50 per cent to ...

In retaliation to Ontario’s 25% tax on electricity exports to the US, President Donald Trump has imposed a 50% tariff on ...

President Donald Trump may have delayed most – though not all – of the tariffs he had imposed on Canada and Mexico, but that ...

U.S. President Donald Trump is lashing out at Canada and using some of the strongest language he's ever deployed against the ...