US stocks today: S&P 500, Nasdaq open lower as caution builds ahead of Big Tech earnings
U.S. markets opened mixed as Nasdaq and S&P 500 slipped on chip stock weakness, while Dow edged higher. Investors remained cautious ahead of key Big Tech earnings, with focus on whether AI-driven momentum can sustain. Semiconductor pressure and ea...

The Dow Jones Industrial Average rose 62.5 points, or 0.12%, at the open to 52287.14. The S&P 500 fell 11.7 points, or 0.16%, at the open to 7497.47, while the Nasdaq Composite dropped 143.5 points, or 0.56%, to 25693.719 at the opening bell.
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