The three major U.S. stock indices experienced a collective higher opening. Specifically, the Dow Jones Industrial Average climbed by 0.27%, the S&P 500 Index advanced 0.44%, and the Nasdaq Composite Index jumped 0.90%. Stocks within the optical communication and memory sectors generally witnessed an upswing. Notably, AI cloud services behemoth CoreWeave soared by over 20%. By June 30, 2026, its total outstanding orders had reached approximately $104 billion. Super Micro Computer also saw its stock rise by more than 10%, as its revenue forecast for the first fiscal quarter surpassed expectations.