Woofun AI data shows that US equity markets opened lower on July 22, with the Dow Jones Industrial Average declining 0.07%, the S&P 500 falling 0.19%, and the Nasdaq Composite dropping 0.54%. The storage and AI chip sectors faced widespread selling pressure. SK Hynix shares fell more than 5%, while Western Digital and Seagate Technology declined approximately 4%. SanDisk and Micron Technology dropped over 3%, Intel fell more than 3%, TSMC decreased over 2%, and AMD slipped 1.6%.