Toronto's benchmark index fell on Friday as U.S. President Donald Trump ramped up his tariff assault on Canada, while investors assessed better-than-expected domestic employment data for June. The S&P/TSX composite index dipped 0.

Canada became the latest country to be slapped with increased tariffs by the Trump administration on Thursday. Starting August 1,

President Trump is threatening 35% tariffs on Canada and cited fentanyl entering the U.S. from the north as one of the reasons. CBS News' Natalie Brand has more on Mr. Trump's letter and Prime Minister Mark Carney's response.