The Dow Jones Industrial Average rose 289 points, or 0.7%, and the majority of U.S. stocks climbed. But anyone holding an S&P 500 index fund, which are found in many 401(k) accounts, felt the pain ...

Stocks were sharply lower Monday afternoon on concerns about the competitive threat that China poses in the race to develop artificial intelligence.

A big selloff in tech stocks on Monday was dragging down a host of shares, including electric-vehicle makers such as Tesla.

Tesla's valuation is unsustainable, with potential downside risk targets under $100 per share if economic conditions worsen ...

Tesla TSLA shares sold off on the news that DeepSeek, a Chinese AI company, released R1, an open-source reasoning model, ...

The S&P 500 fell 1.9% Monday. Big Tech stocks took some of the heaviest losses, with Nvidia down 17.6%, and they dragged the ...

Tesla investors will look for more details on the automaker's lower-priced model when it reports quarterly results on ...

Jan. 27, 12:30 p.m. ET U.S. stocks got walloped Monday: The S&P 500 was down about 2% at 12:30 p.m. EST, and the tech-heavy ...