[The three major U.S. stock indexes collectively closed higher, Nvidia surged nearly 8%] The three major U.S. stock indexes collectively closed higher, with the Dow Jones up 2.47% to a new closing high, the Nasdaq up 2.18%, and the S&P 500 up 1.97%. Nvidia surged nearly 8%, adding $325 billion to its market value, while Broadcom rose over 7%.