AI产业链题材股本周回调，关注人工智能ETF（159819）、科创人工智能ETF（588730）布局机会

Core Viewpoint - The artificial intelligence (AI) industry is experiencing rapid development, with increasing technological innovation and expanding application scenarios, leading to new investment opportunities, particularly in the upstream sectors like chips and algorithm frameworks [1]. Group 1: Market Performance - The market experienced a collective adjustment today, with significant declines in technology growth sectors such as AI and semiconductors. The AI ETF (159819) saw a net subscription of approximately 150 million shares throughout the day [1]. - Over the week, the Shanghai Stock Exchange Sci-Tech Innovation Board AI Index fell by 2.5%, while the CSI AI Theme Index decreased by 3.3% [1]. Group 2: Index Composition and Characteristics - The Shanghai Stock Exchange Sci-Tech Innovation Board AI Index includes 30 large-cap stocks involved in AI foundational resources, technology, and application support, with over 85% of its composition from the electronics and computer sectors [4]. - Currently, there are four ETFs tracking the CSI AI Theme Index and ten ETFs tracking the Shanghai Stock Exchange Sci-Tech Innovation Board AI Index, with varying fee rates and tracking errors [6]. Group 3: Historical Performance Data - The historical performance of the CSI AI Theme Index shows a cumulative decline of 8.3% over the past month and a rise of 48.0% year-to-date. The Shanghai Stock Exchange Sci-Tech Innovation Board AI Index has seen a decline of 9.5% over the past month and a rise of 39.7% year-to-date [7]. - Since their respective base dates, the CSI AI Theme Index has increased by 367.0%, while the Shanghai Stock Exchange Sci-Tech Innovation Board AI Index has risen by 108.4% [8].