Major stock indexes were slightly lower on Friday as U.S. President Donald Trump's announcement of tariffs on imports from Canada fanned worries about trade tensions, with the Canadian dollar down against the greenback.

Trump has broadened his trade war in recent days, setting new tariffs on a number of countries along with a 50% tariff on copper. Among sectors, European personal and household goods fell 1%, while healthcare stocks declined 0.7%. Defence stocks were up 0.6%.

Trump’s move deepens a rift between two North American countries that have suffered a debilitating blow to their decades-old alliance.

Blunt letters dictating terms posted to social media and changes late in negotiations have left trading partners wondering what President Trump will do next.

US President Donald Trump speaks during a multilateral lunch with visiting African Leaders in the State Dining Room of the White House in Washington, DC, on July 9, 2025.

President Donald Trump doesn't like his new nickname 'TACO'. Here's why people are calling Trump TACO and the meaning behind the TACO trade acronym

Trump’s tariffs and the trade war continue to affect global markets. Follow along for live updates on the Dow, S&P 500 and Nasdaq.

The European Union may be nearing a trade agreement with the United States but is struggling to obtain immediate tariff relief and a commitment not to introduce new measures, the head of the European Parliament's trade committee said on Wednesday.