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.

Global stocks fell on Friday after U.S. President Donald Trump ramped up his tariff war against Canada, leaving Europe squarely in the firing line, sparking a modest investor push into safe havens like gold,

Wall Street on Friday was poised for a negative open, with stock index futures down, as President Donald Trump slapped a 35% tariff on Canada and warned of further hikes if Ottawa retaliated. S&P 500 futures (SPX) -0.