Coherent Drops 3.76% Despite 34% Revenue Surge and Strong Guidance

U.S. optical comms sector opens mixed; Coherent falls despite beating Q4 revenue by $70M and raising Q1 outlook, while peers show divergent performance.

Woofun AI reports that the U.S. optical communications sector opened with mixed trends on August 13. Coherent Corp (COHR) declined by 3.76%, despite reporting Q4 revenue of $2.05 billion, a 34% year-on-year increase that surpassed the expected range of $1.98–$2.02 billion. The company forecasts Q1 revenue between $2.20–$2.40 billion, above the anticipated $2.13 billion, with adjusted EPS estimated at $1.85–$2.05 versus the expected $1.77.

Other sector movements included the pure photonics ETF FOTO rising by 0.05% and Ciena Corporation (CIEN) gaining 0.93%. Lumentum Technologies (MRVL) increased by 1.73%, while Corning (GLW) fell by 0.19%. AAOI (Applied Optoelectronics) dropped by 1.10%, and Lumentum Holdings (LITE) declined by 0.39%.