A Canadian industry group says Trump's move to increase tariffs on steel “essentially closes the US market to our domestic industry for half of its production.”

Canada’s steel industry warned of “catastrophic” job losses, factory slowdowns and supply chain disruption after US President Donald Trump doubled tariffs on imports to 50 per cent.

This week’s ruling blocking many of the president’s tariffs will not lift those on Canadian cars, steel and aluminum. A trade expert explains what’s next.

President Trump's decision to double tariffs on steel and aluminum imports has sparked concerns in Canada, with warnings of mass disruption to supply chains. The Canadian Steel Producers Association urges immediate retaliatory measures to protect domestic markets.

Plus: A group of Deaf Americans is suing over a lack of sign language interpreters for White House events. | Faizan Zaki wins National Spelling Bee.

Financial markets, which have whipsawed wildly in response to every twist and turn in Trump's chaotic trade war, reacted with cautious optimism on Thursday, a day after the U.S. Court of International Trade ruled that Trump overstepped his authority in imposing punitive tariffs on virtually every country in the world.

President Donald Trump’s tariffs are back on, for now. Why? An appeals court paused a little-known lower court’s order to halt most tariffs. But a pair of legal setbacks this week have blown a big hole in Trump’s trade war strategy.