US tech stocks dip as traders fret over ‘frothy’ AI valuations
Nasdaq lower as heavyweights including Nvidia and Microsoft sustain steep falls
Nasdaq lower as heavyweights including Nvidia and Microsoft sustain steep falls

Nasdaq falls 3% over the five-day period as investors worry about sky-high valuations

Cautious comments from top bank executives add to jittery sentiment on Wall Street

Marvell Technology and Nvidia shares slip after earnings disappoint investors

Investor concerns over lofty valuations for artificial intelligence companies hits sentiment

Chipmaker Broadcom tumbles 11.4% after financial forecast disappoints Wall Street

Decline in Asian markets led by companies most exposed to demand for artificial intelligence