Wall Street seems to be heading for a red day, with stock index futures down on Friday, as President Donald Trump slapped a 35% tariff on Canada and warned of further hikes if Ottawa retaliated. S&P 500 futures (SPX) -0.

U.S. and European stock futures dipped in Asia on Friday after President Donald Trump stepped up tariff threats against Europe and Canada, restraining an early rally in regional share markets.The dollar gained on the euro and the Canadian currency as Trump issued a letter late on Thursday that a 35% tariff rate on all imports from Canada would apply from August 1,