[US Market Summary] Tuesday, October 6, 2026 | S&P 500 +0.6% | S&P 500 hits record high in 7800 range for the first time, utility stocks surge on nuclear power co…

Three-line summary for this morning â–¼ The S&P 500 rose +0.58% to 7,818.93, closing in the 7,800 range for the first time and ...