Stock market today: S&P 500, Nasdaq hover near records as Nvidia becomes most valuable stock Yahoo FinanceS&P 500 hits another record as Nvidia overtakes Microsoft as biggest stock: Live updates CNBCNvidia’s Jensen Huang Now World’s 11th-Richest Person As Nvidia Soars Past Microsoft, Apple ForbesNvidia surpasses Microsoft to become the largest public company in the US CNNNvidia becomes world’s most valuable company amid AI boom The Guardian