The country’s new prime minister, Mark Carney, has been called the “Trump whisperer,” and negotiations have been cordial and professional. But it’s been a wild ride.

Trump threatened to escalate tariffs beyond 35% if Canada opts to retaliate with tariffs on U.S. goods. Canadian goods are also subject to sector-specific tariffs, such as 50% levies on steel and aluminum as well as 25% tariffs on non-USMCA compliant autos and auto parts.

The S&P 500 followed a record-breaking Thursday by dipping 0.33% Friday after President Donald Trump said he would impose a 35% tariff on Canada on August 1. The stock market dipped on Friday after President Donald Trump issued his latest tariff threat against Canada.

US stocks fell on Friday after President Donald Trump threatened a 35% tariff on Canada — a sharp escalation in an ongoing trade war. The Dow closed lower by 279 points, or 0.63%. The broader S&P 500 fell 0.

Trump this spring imposed a 25% tariff on cars and car parts, including those from Canada. But certain cars and parts qualify for preferential treatment under the USMCA, meaning the 25% tariff applies only to the non-U.S. content of the automobile or part.

Canada faces another set of tariffs in its ongoing trade talks with the U.S. However, in this latest round of tariff announcements, investors have learned to largely tune them out as negotiating bluster rather than policy commitments.

Wall Street indexes declined on Friday, as President Donald Trump cranked up his tariff assault on Canada, deepening uncertainty around Washington's trade agenda. Trump on Thursday announced a 35% tariff on Canadian imports,

The letter reiterated Trump’s complaints about dairy quotas, fentanyl and the U.S. trade deficit, which is mostly fueled by American refineries’ thirst for Canadian oil. His social media post caused the Canadian dollar to immediately tumble, indicating the market wasn’t expecting this escalation.