“易中天”业绩爆发，通信ETF（515880）大涨3%，10日吸金近20亿元

Group 1 - The three major companies in the optical module sector, namely "Yizhongtian" (New Yisheng, Zhongji Xuchuang, and Tianfu Communication), forecast a combined profit range of 21.081 billion to 23.850 billion yuan for 2025, representing a year-on-year increase of approximately 155% compared to the 9.353 billion yuan net profit in 2024 [1] - The communication ETF (515880) has seen significant inflows, with over 1.3 billion yuan net inflow on the last trading day and nearly 2 billion yuan in the past 10 days, indicating strong investor interest in the optical module rebound [1] - Optimism remains regarding capital expenditures and guidance from overseas cloud vendors in the AI sector, with expectations of continued growth in capital expenditures next year [1] Group 2 - In 2026, NVIDIA is set to launch the Rubin architecture, which will upgrade optical modules to 1.6T, and by 2027, a new trend of "optical modules in cabinets" is expected to emerge, with the market size projected to be 4-5 times larger than that of external cabinets [2] - Analysts have high expectations for optical module shipments in 2026, suggesting a potential supply-demand imbalance in the industry [2]