US stock market hits record highs as AI profits pile and oil prices ease

A screen displays stock market index data as traders work on the floor at the New York Stock Exchange in New York City on Tuesday. A screen displays stock market index data as traders work on the floor at the New York Stock Exchange in New York City on Tuesday. S&P 500 shot up 1.8% and the main measure of Wall Street's health topped its prior all-time high set a few months ago Tue 4 Aug 2026 16.56 EDTLast modified on Tue 4 Aug 2026 18.03 EDT The US stock market rallied to records on Tuesday as profits kept piling up for companies and as oil prices eased. The S&P 500 shot up 1.8%, and the main measure of Wall Street's health topped its prior all-time high set a couple months ago. The Dow Jones industrial average added 907 points, or 1.7%, to its own record set the day before, while the Nasdaq composite jumped 2.6%.