The rout hit publicly traded crypto exchanges and fintech companies, as well as cryptocurrencies like Bitcoin.

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The Nasdaq and the S&P 500 had their worst day since June as investors worried about spending on A.I. infrastructure.

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The Personal Consumption Expenditures index picked up in September, according to data released a day after the Federal Reserve’s decision to hold interest rates steady.

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Apps that match personalities — for a price — have surged in popularity amid a loneliness epidemic.

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The S&P 500 index fell over 1.4 percent, its largest daily decline since July, while the tech-heavy Nasdaq slumped nearly 2.5 percent, that index’s biggest one-day decline since June.

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