President Trump’s announcement of a 50 percent tariff on copper imports is causing concern in some of the industries he says he wants to protect.

Donald Trump on Wednesday night confirmed the 50 per cent tariff on copper would go into effect on August 1.

It still hit like a bombshell, with potential to shake up U.S. efforts to expand, develop and deploy artificial intelligence.

President Donald Trump threatened a 35% tariff on some Canadian goods and raised the prospect of increasing levies on most other countries, ramping up his trade rhetoric in comments that weighed on stocks and boosted the US dollar.

U.S. stock index futures fell on Friday, as President Donald Trump amplified his tariff offensive against Canada, adding another layer of uncertainty around Washington's trade policies.

In a social media post, Carney said Canada would continue to work toward a new trade framework with the U.S. and has made “vital progress to stop the scourge of fentanyl.”