AI产业链方向低位震荡，人工智能ETF易方达（159819）全天净申购超1.2亿份

Group 1 - The AI industry chain is experiencing low-level fluctuations, with sectors such as optical communication, AIGC, and AI computing power under pressure. The CSI Artificial Intelligence Theme Index fell by 0.2%, while the Shanghai Stock Exchange Sci-Tech Innovation Board AI Index and the CSI Sci-Tech Innovation Entrepreneurship AI Index both declined by 0.4%. However, there was a net subscription of over 120 million units for the E Fund AI ETF (159819) throughout the day [1]. - According to a report from CITIC Securities, the pre-computing power sector is expected to see continued growth in performance by 2025, driven by ongoing capital expenditures from major CSP manufacturers, increasing token demand, and continuous product capability improvements. Structural highlights are emerging in AI applications, particularly in AI fintech, AI healthcare, and AI data sectors, with general agent applications also showing resilient growth. Overall profitability in the sector is anticipated to improve significantly [1]. - Looking ahead to 2026, the computing power sector is expected to maintain its prosperity, and AI applications are poised to encounter pivotal opportunities [1]. Group 2 - The CSI Sci-Tech Innovation Entrepreneurship AI Index focuses on leading companies in the AI sector, comprising 50 stocks with large market capitalizations involved in AI foundational resources, technology, and application support, with nearly 90% of the index represented by the electronics, communications, and computer industries [3]. - The E Fund AI ETF tracks the Shanghai Stock Exchange Sci-Tech Innovation Board AI Index, which covers 30 large-cap stocks in the Sci-Tech Innovation Board involved in AI foundational resources, technology, and application support, focusing on computing power and application segments, with over 85% of the index represented by the electronics and computer industries [5][6].