[The three major U.S. stock indexes collectively opened higher and many AI hardware stocks rose more than 3%] The three major U.S. stock indexes collectively opened higher, with the Dow Jones Index rising 0.81%, the S&P 500 Index rising 1.19%, and the Nasdaq Composite Index rising 1.55%. The Philadelphia Semiconductor Index rose 2.86%, SpaceX rose 1.76%, Nvidia rose 1.85%, TSMC rose 1.72%, Broadcom rose 1.89%, SK Hynix rose 4.54%, Micron Technology rose 3.42%, Intel rose 4.54%, ASML rose 2.10%, Lam Group rose 3.42%, Arm Holdings rose 8.15%, SanDisk rose 3.79%, Qualcomm rose 2.58%, Western Digital rose 1.77%, Seagate Technology rose 2.78%, Marvell Technology rose 5.12%, Lumentum rose 2.01%, Coherent rose 4.54%, and the triple long semiconductor ETF-Direxion rose 9.14%.