Changjiang Securities·2025-11-11 10:44Investment Rating - The report maintains a "Positive" investment rating for the communication industry [10]. Core Insights - The communication sector has seen a 1.00% increase in the 45th week of 2025, ranking 15th among major industries in the Yangtze River region. Year-to-date, the sector has risen by 63.27%, placing it 2nd among the same industries [2][5]. - Lumentum's quarterly performance is strong, with revenue of $530 million for FY26Q1, a year-on-year increase of 58.4%. Over 60% of this revenue comes from cloud and AI infrastructure [6]. - The demand for indium phosphide (InP) laser chips is robust, with a supply-demand gap expected to widen to 25-30% in the coming quarters. Lumentum's production capacity is fully booked for the next six quarters, with an anticipated capacity increase of approximately 40% [6][8]. - The "AI x Space" initiative is accelerating, with companies like Starcloud, SpaceX, and Google launching projects to establish in-orbit computing capabilities, marking the beginning of a new era for space data centers [7][8]. Summary by Sections Market Performance - The communication sector's stock performance has been notable, with significant gains in individual stocks such as Keda (+24.6%), Yuanjie Technology (+16.2%), and Yihua Co. (+12.2%) [5]. Company Analysis - Lumentum's revenue growth is driven by strong shipments of InP laser chips, with component revenue reaching $380 million, a year-on-year increase of 64% [6]. - The company is transitioning from 3-inch to 4-inch wafer processes, focusing on cost and yield improvements [6]. Investment Recommendations - The report recommends several companies across different segments: - Telecom Operators: China Mobile, China Telecom, China Unicom - Optical Modules: Zhongji Xuchuang, Xinyi Technology, Tianfu Communication - Liquid Cooling: Yingweike - Hollow Core Fiber: Fenghuo Communication, Hengtong Optic-Electric - Domestic Computing: Runze Technology, Guanghuan New Network - AI Applications: Boshi Jie, Heertai - Satellite Applications: Huace Navigation, Haige Communication [8].