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 ...
Chinese artificial intelligence startup DeepSeek sparked a sell-off of global tech stocks that lost the AI-driven stock rally ...
DeepSeek may have just upended everything we thought we knew about AI’s power needs. But it's not that straightforward.
Investors counting on last year’s big winners of the stock market to repeat their lead in 2025 have endured a setback.