Santoli's Monday market wrap-up: Rotation and megacap-tech momentum enough to lift S&P 500
- Posted on September 22, 2025
- By CNBC
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Santoli's Monday market wrap-up: Rotation and megacap-tech momentum enough to lift S&P 500

An Nvidia/OpenAI $100 billion investment in AI capacity sent related stocks flying and more than offset the fatigue evident in the broader market.