CPO concept rebounds amidst fluctuations, Tengjing Technology rises more than 10% to reach a new historical high.

In early trading, the CPO concept fluctuated and rebounded, with Tengjing Technology rising more than 10% to a record high. Risecanda, Zhilifang, Dekeli, Kechuan Technology, Dongtian Micro, and others followed the trend. On the news front, at the 2026 Optical Fiber Communication Conference and Exhibition held last week, various optical communication manufacturers emphasized their plans to expand production of core components and materials for optical modules. Lumentum stated that by the end of 2026, the production capacity of EML will increase by over 50% compared to 2025.