Applied Optoelectronics (AAOI) experienced a significant after-hours surge of 5.26%, marking a notable recovery in its trading session. The movement reflects a sharp reversal from earlier pressures during the regular trading day.

The stock's rebound was primarily driven by a company-specific catalyst: ClassOne Technology recently secured a record number of Solstice S8 equipment orders from Applied Optoelectronics. This development underscores the accelerating scale-up of photonic technology targeting AI data centers and provides a positive signal for the company's capacity expansion outlook.

Furthermore, the broader optical communications sector showed signs of stabilization after digesting earlier pessimism. The sector had been under pressure due to concerns about potential delays in the mass deployment of Co-Packaged Optics (CPO) technology. The positive sentiment was supported by gains across sector peers during the session, contributing to the favorable trading environment for Applied Optoelectronics.