The three major U.S. stock indices closed higher, with the Nasdaq rising 0.88%, the S&P 500 up 0.77%, and the Dow Jones up 0.75%. Both the Nasdaq and S&P 500 reached new all-time highs. NVIDIA surged over 4%, with a market capitalization of $5.71 trillion. AI chipmaker Cerebras Systems jumped over 68% on its first day of trading.
U.S. Major Indices Rise, Nasdaq and S&P 500 Reach New Highs
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The Fear and Greed Index shifted toward optimism as major U.S. indices rose on May 15, 2026. The Nasdaq climbed 0.88%, the S&P 500 rose 0.77%, and the Dow Jones added 0.75%. Both the Nasdaq and S&P 500 reached new highs. Nvidia surged over 4%, with a market cap of $571 billion. On-chain data showed strong inflows into tech stocks. Cerebras Systems jumped over 68% on its first trading day.
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