Walmart’s adjusted earnings miss analysts’ estimates but second-quarter revenue tops forecasts. Tech stocks Palantir, Nvidia, and Intel rise after days of declines.

U.S. stock indexes ended mixed on Wednesday after Nvidia, Palantir and other superstar stocks pared most of their steep ...

S hares of some of the biggest names leading the artificial intelligence boom, including Palantir TechnologiesPLTR, NvidiaNVDA and MicrosoftMSFT, have backed off from their heated ...