Stock Market Today, June 24: Micron Surges After Hours as Nasdaq Stems Losses

U.S. stock indexes showed mixed performance on June 24, 2026, with the Dow gaining 0.35% while the Nasdaq fell 0.43% amid semiconductor volatility. Micron Technology surged over 13% in after-hours trading following strong earnings and guidance. Other notable moves included Wendy's jumping 26%, Hertz tumbling 40% after a stock offering announcement, and Cerebras Systems crashing on its first earnings report as a public company. JPMorgan raised its year-end S&P 500 target to 7,800.