Major U.S. stock indexes opened lower Monday after President Donald Trump's tariffs on Canada, Mexico and China triggered a ...

US president Donald Trump on Saturday announced an additional tariff of 10% on imports from China and 25% on those from ...

The stock market fell on Monday after President Donald Trump slapped tariffs on Canada, Mexico and China, eliciting threats ...

NBC News' Brian Cheung and Gabe Gutierrez report on the impacts and reaction to President Trump's tariffs on Canada, Mexico ...

U.S. futures and global stocks were hit by a selloff early on Monday as markets around the world braced for a potential trade ...

Tariffs are slamming the stock market but there’s still hope that the Trump administration's threatened levies are a ...

Nvidia shares' 9% recovery Tuesday was the second-best day in terms of market cap added for any company ever, trailing only a ...

News from China upset U.S. markets Monday and disrupted the frenzy that had built up around artificial intelligence.

A frenzy over an artificial intelligence chatbot made by Chinese tech startup DeepSeek was upending stock markets Monday and ...

The Dow Jones held up best out of major indexes on the stock market today. Nvidia plunged due to concerns of China AI firm ...

DeepSeek released an open-source artificial intelligence model in December, saying it took only two months and less than $6 ...

Nasdaq posted its biggest one-day percentage drop since Dec. 18 on Monday as a low-cost Chinese artificial intelligence model ...