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AI stocks were rattled this past week when Wall Street took notice of a high-performance, shockingly efficient open-source AI model from Chinese start-up DeepSeek.

The launch of DeepSeek had made investors question whether to allocate capital to higher-cost AI-related companies like Nvidia.

The Dow was falling Friday after the White House said tariffs begin on Saturday. The S&P 500 and Nasdaq were rising. The market also reacted to PCE inflation data.

In looking at changes in market capitalizations so far this year, it's a tale of two tech giants. Among all U.S.-listed companies, Meta Platforms Inc. has tacked on the most market cap over the course ...

Apple shares rose Friday morning after the company reported better-than-expected earnings and said customers are increasingly upgrading their iPhones to take advantage of AI features. Monitor these ...

U.S. stock futures moved marginally higher on Thursday following the latest flurry of U.S. economic reports. Investors received the first reading on Q4 GDP. The data showed the U.S. economy expanded ...

The Dow Jones and S&P 500 climbed on the stock market today. Meta reached a record high and a cybersecurity name broke out.

You can't currently use an exchange-traded fund (ETF) to gain passive exposure to DeepSeek because it's not a publicly traded ...

Chinese start-up DeepSeek (logo pictured) sent big tech companies in the US into a spiral with the release of its AI chatbot, ...