光纤价格已进入明确上涨周期，通信ETF嘉实(159695)布局AI变革下的光通信投资机遇

Group 1 - The core viewpoint of the articles indicates that the optical fiber industry is transitioning from a cost-driven model to a demand-driven model, entering a new phase of high prosperity due to the structural explosion in demand driven by AI computing power construction and supply constraints [1] - Since 2025, the price of mainstream G.652D optical fibers has increased by 20%-30% compared to the beginning of the year, marking a clear upward trend in optical fiber prices [1] - According to Lightcounting, the market size of optical modules, a core product in the global optical communication industry chain, is expected to exceed $20 billion by 2027, with data centers becoming the largest application market [1] Group 2 - The National Communication Index (399389) has its top ten weighted stocks, including companies like Zhongji Xuchuang, New Yisheng, and ZTE, which collectively account for 54.96% of the index [1] - The investment logic in optical communication is shifting from leading companies to high-elasticity, high-barrier, or core-position quality targets as the global AI computing competition intensifies [1] - The Communication ETF (159695) closely tracks the National Communication Index, providing a way for investors to access the optical communication industry chain [2]