Investors are flocking to optical stocks following positive remarks about Marvell by Nvidia CEO Jensen Huang, who suggested that Marvell could evolve into a $1 trillion company. As a result, shares of Marvell rose by 29%, while Coherent and Lumentum saw increases of 16% and 13%, respectively. This surge is linked to the broader trend of rising demand for AI infrastructure, with hyperscalers investing heavily in photonic systems to enhance networking capabilities in data centers. Analysts highlight that these optical components are becoming essential for supporting larger GPU clusters, signaling a strong market transition toward co-packaged optics, a critical element of AI technology development.

Coherent: Coherent Corp. produces engineered materials, optoelectronic components, and laser systems serving communications, industrial, and electronics markets. Its technologies are central to the reported stock gains as providers of optical solutions for AI infrastructure expansion. Recent strategic partnerships, including with Nvidia for data center optics, underscore its position in the sector.
Lumentum: Lumentum Holdings Inc. develops and manufactures optical and photonic components essential for high-speed data transmission in telecommunications and cloud infrastructure. The company is directly tied to the news through its role supplying optics and lasers that enable AI data center scaling, with recent affirmations of strong product demand. It has been participating in major investor events throughout June 2026 following robust quarterly performance.

AI Demand: Hyperscalers are ramping up investments in photonic infrastructure to support larger GPU clusters and higher-speed networking in AI data centers.
Industry Partnerships: Nvidia has formed collaborations with optical component makers to advance technologies for next-generation data center architectures.