US stocks dropped sharply Monday — and chipmaker Nvidia lost nearly $600 billion in market value — after a surprise advancement from a Chinese artificial intelligence company, DeepSeek, threatened the ...
The tech-heavy Nasdaq Composite index slid 3.5 per cent shortly after the opening bell, while the broader S&P 500 fell about 2 per cent. Nvidia, which surged last year on bets that Big Tech companies ...