把握光模块等算力核心机会，建议重点关注全市场首只创业板人工智能ETF（159363）及场外联接（A 类023407、C类023408），标的指数重点布局光模块龙头"易中天"，光模块含量超54%。从赛道分布 看，逾七成仓位布局算力，超两成仓位布局AI应用，能够高效捕捉AI主题行情。（截至2025.10.31） 数据来源：沪深交易所等。注："全市场首只"是指首只跟踪创业板人工智能指数的ETF。 风险提示：创业板人工智能ETF华宝被动跟踪创业板人工智能指数，该指数基日为2018.12.28，发布日 期为2024.7.11。创业板人工智能指数2020-2024年年度涨跌幅分别为：20.1%、17.57%、-34.52%、 47.83%、38.44%，指数成份股构成根据该指数编制规则适时调整，其回测历史业绩不预示指数未来表 现。文中指数成份股仅作展示，个股描述不作为任何形式的投资建议，也不代表管理人旗下任何基金的 持仓信息和交易动向。基金管理人评估的本基金风险等级为R4-中高风险，适宜积极型（C4）及以上的 投资者，适当性匹配意见请以销售机构为准。任何在本文出现的信息（包括但不限于个股、评论、预 测、图表、指标、理论、 ...

Core Viewpoint - The AI market experienced significant volatility on September 4, with a sharp decline in optical module stocks, particularly affecting the entrepreneurial board AI index, which has over 51% optical module content [1] Group 1: Market Performance - The leading optical module companies, including "Yizhongtian" (Xinyi Sheng, Zhongji Xuchuang, Tianfu Communication), saw declines exceeding 12% [1] - The entrepreneurial board AI ETF (159363), which tracks the largest and most liquid index, experienced a drop of over 9%, potentially marking its largest single-day decline since April 8, with a real-time transaction volume exceeding 2.1 billion [1] Group 2: Fund Manager Insights - Fund manager Cao Xuchen noted that the optical module sector had become a focal point for market investment due to strong fundamentals and profit effects, leading to significant gains [3] - The rapid increase in stock prices led to profit-taking by short-term investors, resulting in a potential sell-off if new capital fails to sustain price increases [3] - The current market is characterized by short-term profit-taking and long-term investors gradually entering the market, with initial short-term pressures likely dominating [3] Group 3: Investment Recommendations - It is recommended to focus on the entrepreneurial board AI ETF (159363) and its associated funds, which allocate approximately 70% to computing power and 30% to AI applications, effectively capturing AI market trends [4] - As of September 3, 2025, the entrepreneurial board AI ETF (159363) reached a new high of over 5.1 billion, with an average daily transaction volume exceeding 700 million over the past month, ranking first among six ETFs tracking the entrepreneurial board AI index [4]