Major U.S. equity indexes posted gains on Tuesday morning, with the S&P 500 up 0.9 percent, the Dow Jones Industrial Average up 539 points, and the Nasdaq composite up 1.6 percent, according to Washington Times reporting. Palantir Technologies shares rose 25.5 percent after the company reported 93 percent revenue growth and raised its 2026 forecast, while Caterpillar shares climbed 4.7 percent after posting record quarterly sales above $20 billion. The data reflect single-source reporting from Washington Times with no conflicting figures identified.