Woofun AI data shows that US semiconductor, storage, and optical communication stocks opened with narrowed declines on July 22. Qualcomm rose 1.61% and AMD gained 0.18%, reversing pre-market drops. NVIDIA fell 0.19% and Broadcom dropped 0.26%. In storage, Seagate increased 0.50% and Western Digital rose 0.10%, while Micron declined 1.21%. Optical communication stocks saw Credo rise 0.17%, whereas Applied Optoelectronics fell 3.66%.