Stock market today: How Donald Trump's tariffs on Canada, Mexico, and China are causing ups and downs across major indices and shaking investor confidence

Stock market experienced notable fluctuations following President Donald Trump's announcement of new tariffs on key U.S. trading partners. The tariffs include a 25% tax on imports from Canada and Mexico and a 10% tax on goods from China, set to take effect on Saturday. Stocks on Wall Street fell on Friday after a volatile trading session, ending the day broadly lower.