Woofun AI data shows that US-listed optical communication and storage equities extended losses after opening, with COHR down 7.77%, SNDK down 7.88%, Micron down 6.43%, LITE down 5.85%, and MRVL down 4.11%. Conversely, small-cap stocks demonstrated resilience, as NBIS rallied more than 6% at one point and memory pooling concept stock ALAB rose by 3%.