U.S. equities closed at record highs on Tuesday, May 26, 2026, with the S&P 500 finishing at 7,519.08 (+0.61%), the Nasdaq Composite at 26,656.18 (+1.19%), and the Russell 2000 surging 1.79% to a historic close of 2,920.54. Micron Technology jumped 19% to breach a $1 trillion mar