Shares of technology companies fell amid more wobbles in software and artificial-intelligence stocks.
Shares of data-storage technology firm Western Digital tumbled despite posting earnings ahead of expectations due to AI demand.
Shares of HubSpot, which makes customer-relationship management software, tumbled after it cut its full-year revenue projection.
Similarly, Datadog, which makes tracking and cybersecurity software, plunged after its third-quarter growth forecasts lagged lofty investor expectations.
Concerns about major tech companies' aggressive data-center investment lingered.
