Key TakeawaysOptical communication and photonics-related stocks advanced broadly in U.S. pre-market trading.The newly launched photonics-focused ETF FOTO gained more than 3%.Several AI infrastructure and optical networking companies posted gains of 2% to 5%.Investor interest in optical components continues to rise amid growing demand for AI data center connectivity and high-speed networking solutions.Optical communication and photonics stocks moved higher in U.S. pre-market trading on June 9, reflecting continued investor optimism around AI infrastructure spending and next-generation data center connectivity.The recently launched Pure Photonics ETF (FOTO), which debuted on May 28, climbed 3.04% in pre-market trading as investors increased exposure to companies benefiting from the expansion of optical networking technologies.Among individual stocks, shares of Marvell Technology (MRVL) rose 5.3%. The company has attracted significant attention for its AI networking and custom semiconductor solutions, positioning it as a key beneficiary of growing AI infrastructure investments.Applied Optoelectronics (AAOI) gained 5.1%. The company specializes in high-speed optical transceivers, including 800G and 1.6T optical modules used in AI data centers and cloud computing networks.Lumentum Holdings (LITE) advanced 2.35%. Lumentum is a major supplier of optical communication lasers and photonic components widely used in data center interconnect solutions.Shares of Coherent Corp. (COHR) rose 3.34%. The company is a leading provider of lasers, optical components, and photonics technologies serving both industrial and data center markets.Ciena Corporation (CIEN) added 0.93%. Ciena focuses on high-speed networking infrastructure and optical transport solutions designed to support growing AI-driven bandwidth requirements.Meanwhile, Fabrinet (FN) climbed 4.96%. Fabrinet provides manufacturing and assembly services for many of the industry's leading optical module suppliers.AXT Inc. (AXTI) gained 5.21%. The company produces indium phosphide (InP) and gallium arsenide (GaAs) substrates, key materials used in optical chips and high-performance AI networking hardware.Shares of Nokia also rose 1.99%. In recent years, Nokia has expanded its focus on optical networking, AI-driven telecommunications infrastructure, and data center interconnect technologies.The sector's gains highlight continued market confidence that rising AI workloads will drive long-term demand for optical networking equipment, photonic components, and high-speed interconnect technologies critical to next-generation data centers.
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