Wall Street gains on AI optimism, Palantir climbs 8.6%, PayPal sinks 17.3%, PepsiCo rises 1.7%

At 9:33 a.m. ET the Dow Jones Industrial Average rose 0.24%, to 49,528.50, the S&P 500 gained 0.07%, to 6,981.15 and the Nasdaq Composite gained 0.12%, to 23,621.33