The S&P 500 fell more than 1.4%, its largest daily decline since July, while the tech-heavy Nasdaq dropped nearly 2.5%, its biggest one-day decline since June. MarketWatch reported that the artificial-intelligence trade was under pressure, while CNN’s Fear & Greed index indicated fear and the 10-year Treasury yield recorded its largest daily drop since the collapse of Silicon Valley Bank.
WHO:U.S. stock markets
WHAT:The S&P 500 and Nasdaq fell sharply in a broad market decline.
WHEN:Reported Oct 22, 2026 at 4:11 PM ET
WHERE:USA
WHY:The decline occurred amid worries about artificial intelligence, according to the New York Times headline.
Reporting from 2 identified publishers across this event arc.
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