DeepSeek has rattled the US stock market and Nvidia felt the maximum heat as S&P 500 tech sector witnessed a big drop.

A company called DeepSeek said it had developed a large language model that can compete with U.S. AI giants but at a fraction ...

Technology stocks were dragging down the major indexes ahead of a gauntlet of key earnings reports. It would be rising solidly if not for Nvidia, down 4.6%, Salesforce, down 2%, and Microsoft, down 0.