Stocks closed mostly higher for the fifth straight session, reaching new record highs. The Nasdaq rose 0.4%, the Dow was up 0.2%, and the S&P 500 inched up 0.1%. Tech stocks, particularly AI companies like Nvidia and AMD, drove the market higher. OpenAI’s $500 billion valuation deal boosted AI stock strength. The ongoing U.S. government shutdown entered its second day with no resolution in sight. President Trump sees the shutdown as an opportunity to cut federal agencies. Semiconductor and airline stocks performed well, while energy and pharmaceutical stocks saw losses. Overseas markets were mostly higher. Bond yields dipped slightly.

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