Tech stocks tumble on concerns over AI spending BBCStock market today: Nasdaq, S&P 500 fall as global chip sell-off spurs AI doubts Yahoo FinanceUS chipmakers lead Wall Street slide on rising rate rise worries Financial TimesUS AI stock sell-off shakes markets from Wall Street to Asia The GuardianS&P 500 falls on global chip rout with Nasdaq off 2%, led by Micron: Live updates CNBC
