AAOI stock swings, then slips as investors refocus on 800G ramp
NEW YORK, December 29, 2025, 11:56 ET — Regular session Applied Optoelectronics shares were down 0.9% at $36.85 in late morning trading on Monday, after swinging between $36.17 and $39.15 as volumes stayed elevated. The reversal kept the spotlight on the fiber-optics supplier after a sharp pullback late last week, when traders began locking in gains following a run to fresh highs. Trefis That matters because AAOI has become a high-beta proxy for investor appetite around AI data-center buildouts, where cloud operators are upgrading to faster optical links to move data between servers. GlobeNewswire+1 Broader market tone was cautious, with