Dow, S&P 500, Nasdaq, Russell 2000 all end at records
U.S. stock indexes registered a quartet of records on Monday as investors shook off a massacre in Las Vegas to take stocks further into record territory. The Dow closed up about 150 points, or 0.7%, at 22,557, the S&P 500 index rose 0.4% at 2,529, while the Nasdaq Composite Index advanced 0.3% at 6,516. The biggest advance, however, was in the small-capitalization oriented Russell 2000 , which was set to the book a record of its own, up about 1.3% on the day. Optimism around President Donald Trump's tax overhaul proposal coming to fruition and expectations that third-quarter results will be strong, have powered stocks higher, despite a Las Vegas shooting, which cast a pall over the market. A lone gunman late Sunday killed at least 58 people and injured more than 500 in the worst mass shooting in modern U.S. history. In corporate news, Roku Inc. shares ended the session down more than 11% retreating after the media-streaming company's stellar debut as a publicly traded company.