Woofun AI data shows that the Philadelphia Semiconductor Index declined by 5% on July 3, with storage and optoelectronics sectors experiencing uniform downward pressure. SanDisk shares plummeted by over 12%, while Micron and Intel dropped by more than 5%. Marvell Technology and Corning fell by over 9%, AMD decreased by over 4%, and Broadcom and NVIDIA declined by approximately 2%.