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    S&P 500 and Nasdaq Experience Significant Declines Due to Inflation Concerns

    Section editor: ·Moderate4 articles covering this·4 news sources·Updated an hour ago·World
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    Infographic showing S&P 500 and Nasdaq declines on October 14, 2026, with emphasis on AI stocks.

    What happened

    On October 14, 2026, the S&P 500 fell 1.1% and the Nasdaq Composite dropped 1.9%, marking the worst single-day performance for both indexes since July.

    The Context

    • AI stocks led the decline: Companies like Nvidia and AMD saw significant drops due to concerns over rising interest rates and inflation data.
    • Inflation data exceeded expectations: The September Consumer Price Index showed a 0.6% month-over-month increase, raising fears of Federal Reserve rate hikes.
    • Market rotation occurred: Investors shifted towards defensive sectors like healthcare and staples as AI and semiconductor stocks faced ongoing pressure.

    The Number

    1.9%

    — This was the Nasdaq Composite's percentage decline on October 14, 2026, its worst day since July, highlighting the sensitivity of tech stocks to macroeconomic shifts.

    Takeaway

    Expect continued volatility in the AI sector as investors reassess valuations amid rising borrowing costs.

    4 Articles
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    The New York Times

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