Science-Tech
Nasdaq, S&P tumble as China’s DeepSeek AI model rattles Big Tech

AI chip leader Nvidia’s shares slumped 15.1%, while a gauge of semiconductor stocks slid 8.2%, heading for its worst single-day drop since March 2020
AI chip leader Nvidia’s shares slumped 15.1%, while a gauge of semiconductor stocks slid 8.2%, heading for its worst single-day drop since March 2020