US stock futures pointed to sharp losses for the major indexes, as Wall Street showed the effects of President Donald Trump’s announcement of tariffs.

Canada and Mexico vow U.S. trade retaliation, Alphabet and Amazon earnings renew focus on DeepSeek AI claims, and more news to start your day.

Stock market returns under presidential administrations are more correlation than causation, regardless of what political pundits say.

There are plenty of moving parts when it comes to tariffs. Here, we look at what impact tariffs have on the stock market and your portfolio.

On Jan. 27, Nvidia ( NVDA -3.67%) fell 17%, erasing over $590 billion from its market cap. It marked the greatest single-day market-cap destruction for a company in U.S. stock market history. While the growth stock recovered nearly half of those losses the following day, there are still lessons to be learned from this historic market event.

President Trump’s imposition of new U.S. tariffs on imports from China, Mexico and Canada drove down stocks across the board Monday, with shares of media companies falling as investors grappled with America’s new trade wars.

Once Trump confirmed the Mexico tariffs would be delayed a month, markets bounced back some, with the Dow down just 0.2%, the S&P 0.6% and the Nasdaq 1% by about 11:30 EST. After more than 90% of the S&P’s 500 constituents were negative early Monday,

The market sold off this morning after President Donald Trump announced sweeping tariffs over the weekend to take effect Tuesday. The broader benchmark S&P 500 fell over 1.7%, as of 9:55 a.m. ET. Meanwhile,