The U.S. stock market opened with the Dow Jones up 0.8%, the S&P 500 Index up 0.21%, and the Nasdaq up 0.09%. Performance of leading tech stocks was mixed: Cisco (CSCO.O) surged over 15%, NVIDIA (NVDA.O) rose 1.8%, both reaching new all-time highs; Intel (INTC.O) fell 4.5%, Alibaba (BABA.N) dropped 3.5%, and Qualcomm (QCOM.O) declined over 2%.