科创叙事引领“健康牛”！头部企业加码AI投入！倒车接人？科创人工智能ETF跌超2%，买盘资金强势！

Group 1 - The core viewpoint highlights the recent fluctuations in the AI-focused ETF, which saw a historical high followed by a market correction, indicating strong buying interest despite the dip [1] - Major tech companies are significantly increasing their investments in AI, with JD.com planning to invest in AI over the next three years to drive a trillion-yuan ecosystem, and Alibaba announcing a 380 billion yuan infrastructure plan [3] - Global investments in AI are surging, with Nvidia planning to invest $100 billion in OpenAI and a joint announcement from OpenAI, Oracle, and SoftBank to build five AI data centers in the U.S. with an expected investment exceeding $400 billion over three years [3] Group 2 - The semiconductor industry is expected to benefit from AI, with a positive demand cycle driven by AI technologies, and a focus on domestic chip production becoming essential [4] - The development of large models in AI is still in its early stages, with significant capital expenditure anticipated as revenues from these models grow, indicating a high potential ceiling for investments [4] - The AI ETF is positioned to capitalize on policy support and the trend of AI integration, with a focus on companies that are leaders in their respective segments [5] Group 3 - The ETF offers a low-threshold investment opportunity with a high degree of elasticity, allowing for efficient capital deployment during market surges, with over 70% of its top holdings concentrated in the semiconductor sector [6] - The top ten holdings of the AI ETF account for 71.66% of its weight, with the semiconductor industry representing 54.1% of the total weight, indicating a strong focus on this sector [6]