AI产业链股全线回调，资金逆势布局，人工智能ETF易方达（159819）全天净申购超4.5亿份

Group 1 - The core viewpoint of the article highlights a significant decline in AI industry stocks, with the China Securities Artificial Intelligence Theme Index dropping by 2.7% and the Shanghai Stock Exchange Sci-Tech Innovation Board AI Index falling by 3.1% [1] - Despite the market downturn, there is a notable capital inflow into AI-related investments, as evidenced by the net subscription of over 450 million units in the E Fund AI ETF (159819) throughout the day [1] - Huatai Securities emphasizes that the AI industry is in a rapid development phase, with continuous technological innovation and expansion of application scenarios, indicating a promising future for the sector [1] Group 2 - The article mentions that increased policy support and growing market demand will create new development opportunities for the AI industry chain [1] - It specifically points out that the mid-to-upstream sectors, such as chip technology and algorithm frameworks, will become key investment focuses in the future [1] - The long-term investment value of artificial intelligence is highlighted as significant, suggesting a positive outlook for investors in this sector [1]