AI主线怎么了？光模块龙头“易中天”大跌，后市怎么看？159363基金经理：AI算力仍是基本面最坚挺的方向

Core Viewpoint - The A-share market experienced significant volatility, particularly in technology stocks, with the artificial intelligence sector facing substantial declines, especially in optical module stocks [1][3]. Group 1: Market Performance - The A-share market saw a sharp decline, with the artificial intelligence index on the ChiNext board dropping over 9%, marking its largest single-day drop since April 8 [1]. - Leading optical module companies, including "Yizhongtian" (Xinyi Sheng, Zhongji Xuchuang, Tianfu Communication), all fell by more than 13% [1]. - The ChiNext artificial intelligence ETF (159363) also experienced a significant drop, closing down 9.28% and surpassing a trading volume of 2.3 billion yuan [1][3]. Group 2: Fund Manager Insights - Fund manager Cao Xuchen indicated that the rapid increase in the optical module sector led to a profit-taking effect, resulting in a sharp decline when new capital was insufficient to sustain price increases [3]. - The current market situation is characterized by short-term profit-taking and long-term capital gradually entering the market, suggesting that rapid adjustments may lead to quicker resolution of the downturn [3]. Group 3: Investment Recommendations - It is recommended to focus on the ChiNext artificial intelligence ETF (159363) and its associated funds, which have a portfolio allocation of approximately 70% in computing power and 30% in AI applications, aiming to capture AI market trends effectively [4]. - As of September 3, 2025, the ChiNext artificial intelligence ETF (159363) reached a new high in scale, exceeding 5.1 billion yuan, with an average daily trading volume of over 700 million yuan in the past month [4].