S&P 500 Rebound Comes on Thin Breadth: Seven of Eleven Sectors Lower

Monday's rebound was a headline and a contradiction at once. The S&P 500 rose 31.29 points, or 0.41%, to 7,690.73, climbing off its worst week since late June as chip and AI-linked names snapped back. The Nasdaq Composite did even better, up 1.11% to 26,430.89, because it is built around the very technology names leading the bounce. But beneath the index gains the tape was softer than the averages suggested: seven of the eleven S&P sectors finished lower, and on the NYSE decliners outnumbered advancers by roughly 1.69 to 1.

Key Takeaways The S&P 500 closed Monday at 7,690.73, up 0.41%, after its worst week since late June. Breadth was thin under the gain: NYSE decliners outnumbered advancers…