S&P 500, Nasdaq reach all-time closing highs on AI dealmaking boost
The S&P 500 gained 24.49 points, or 0.36%, to end at 6,740.28 points, while the Nasdaq Composite gained 161.16 points, or 0.71%, to 22,941.67. The Dow Jones Industrial Average fell 63.1 points, or 0.14%, to 46,694.97.