On September 26, Lumentum rose 3.21% in regular trading, trading at $956.11/share, with turnover of $2.065 billion. Multiple bullish catalysts continued to drive the stock higher.

On the news front, Lumentum partnered with Qualcomm and Corning to demonstrate a high-density optical die-to-die interconnect solution for AI scale-up systems at the ECOC 2026 conference in Malaga, Spain. The proof-of-concept integrates Lumentum's 1060 nm VCSEL optical platform, supporting approximately 1 Tb/s/mm shoreline bandwidth density with a path to 4 Tb/s/mm, while the optical engine delivers roughly 10 Tb/s of aggregate transmit and receive capacity. The market responded positively to the company's positioning in AI scale-up architecture.

Separately, Rothschild raised its price target on Lumentum to $1,294.85, and Deutsche Bank initiated coverage with a Buy rating and a $1,200 target price. The consensus average target stands at $1,142.92. Institutional momentum continues to reinforce the bullish thesis around AI-driven optical networking demand and the accelerating transition from copper to optical interconnects in data center environments.

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