Stock Market Today: Tech Futures Sell Off On OpenAI Report; Broadcom, Micron, Nvidia Tumble (Live Coverage)
U.S. stock indexes ended the day in negative territory as a sell‑off in technology shares weighed on the market. The decline was triggered by reports that OpenAI missed internal forecasts, prompting losses in AI‑related stocks such as Micron and Nvidia. Overall investor sentiment turned cautious amid concerns over growth prospects.
- ▪The Dow Jones Industrial Average closed roughly 0.1% lower, with other major indexes also finishing in the red.
- ▪Shares of AI‑focused companies, including Micron Technology and Nvidia, dropped sharply after news that OpenAI fell short of its internal targets.
- ▪The broader market reacted negatively, reflecting heightened worries about growth and the impact of the tech sector’s volatility.
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Stock Market Today Stock Market Today: Nasdaq Beat Up After OpenAI Report; Nvidia, Palantir Drop (Live Coverage) Licensing KIMBERLEY KOENIG and SCOTT LEHTONEN Updated 04:46 PM ET 04/28/2026 The Dow Jones Industrial Average and other major stock indexes ended in negative territory Tuesday, hurt by a sell-off in tech names after artificial intelligence company OpenAI reportedly missed some internal projections. Subsequent growth concerns knocked down AI stocks including Micron Technology (MU) and Nvidia (NVDA) on the stock market today.
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