The S&P 500's technology sector just ended its worst week since early September, after Chinese artificial-intelligence company DeepSeek seemed to startle investors' perception of winners and losers in ...
DeepSeek is an artificial intelligence (AI) research lab based in China. It was spun out of the country's most successful hedge fund, High-Flyer, in 2023. The fund had been using AI for years to ...
Artificial intelligence was the focus when tech giants Microsoft and Meta kicked off the first round of Big Tech earnings of 2025. Here's what we learned.