S&P 500, Dow Jones and Nasdaq close the first half of 2026 higher as chip stocks lead Wall Street: Here’s why the US stock market ended June strong

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S&P 500, Dow Jones and Nasdaq today June 30: US markets concluded the first half of 2026 on a high note, with the S&P 500, Dow Jones, and Nasdaq all posting gains. Semiconductor stocks, led by Nvidia …