Investors are worried about the sustainability of the AI boom and whether intensifying competition poses a threat.

Futures were mixed after U.S. markets were closed for Presidents Day. The S&P 500 and Nasdaq are below their 50-day lines, ...

Investors who once rewarded bold AI plans are now asking tougher questions about spending, profits and competition. Several of the largest US technology firms have lost hundreds of billions of dollars ...

Software stocks are cratering over fears of rising capital expenditures and artificial intelligence (AI) bubble concerns.