Credo Tech falls 6% as optical sector slides on Corning resultsUS Stock Market UpdateJul 28, 2026 at 05:41 PMCredo Tech (CRDO.US) 盘中跌6.35%,现报194.92 美元。光通信板块周二盘中大幅回调,LITE.US 跌近 9%、AAOI.US 跌近 10%,GLW.US 和 MRVL.US 均跌超 5%。Corning 财报后引发板块抛售,同类股票普遍承压。