Stock futures tumbled Sunday night to kick off a new trading month, as investors weighed new U.S. tariffs on goods from key trade partners and their potential impact on the economy and corporate profits.

US stock market futures were tending down Sunday, one day after President Donald Trump announced 25% tariffs on Canada and Mexico and 10% tariffs on China.

KEY TAKEAWAYS U.S. stock futures are tanking after the Trump administration imposed tariffs on goods from Mexico, Canada, and China that are due to take effect Tuesday.Shares of automakers, which assemble vehicles in Canada and Mexico and import parts from China,