The S&P 500 fell 1.5% on Monday, Jan. 27, as a Chinese startup's cost-efficient and high-performing AI model sent shockwaves through the U.S. tech sector.

The Nasdaq & S&P 500 fell after Chinese startup DeepSeek shows AI can be built cheaply, sparking fears AI spending will stall. The blue-chip Dow rose.

The S&P 500 and the Nasdaq fell sharply on Monday, led by Nvidia and other chipmakers as popularity of a low-cost Chinese artificial intelligence model raised investor worries about the outlooks for current AI leaders in the United States.

Despite the passive investing boom, there’s still growing demand for actively managed exchange-traded fund (ETF) solutions. Undoubtedly, passive investing in index ETFs is simple, effective, and, perhaps most importantly,

Following the widespread tech sell-off driven by the unveiling of DeepSeek's latest AI model, Yahoo Finance host Julie Hyman reviews the stock market's (^DJI, ^IXIC, ^GSPC) reliance on the ...

Solid results from Apple are buoying spirits, as investors brace for PCE inflation and weigh Trump's renewed tariff threat.

That's music to the ears of Vistra, which cheered the market by acquiring more nuclear power capacity in 2024. Investors eagerly await updates on whether it will sign a deal with a cloud services company, although news of a fire at its California battery plant briefly sent shares sharply lower on Jan. 17.

The Dow Jones Industrial Average and the other major indexes temporarily crumbled in the final minutes of trading after President Donald Trump reiterated threats to impose tariffs on Canada and Mexico,

The S&P 500 climbed to 6,100 for the first time during Wednesday's session. Traders cheered strong earnings and an AI initiative Trump announced on Tuesday.

Live Updates Make sure to refresh this page periodically for updates. Tesla Gains Fading 9:52 am While Tesla opened above $410 per share, gains are fading in early trading. As of 9:52 a.m. ET, shares are up .

The S&P 500 and the Nasdaq ended sharply lower on Monday as Nvidia and other chipmakers sold off after surging popularity of a low-cost Chinese artificial intelligence model raised investor worries about the outlooks for current AI leaders in the United States.

The S&P 500 and the Nasdaq rose on Friday, as Apple gained following a strong sales forecast and a reading of the U.S. central bank's favored inflation gauge reinforced expectations that the Fed would keep interest rates unchanged for longer.