上证指数重回4000点，人工智能AIETF（515070）持仓股三七互娱涨停

Group 1 - The A-share market opened positively, with the Shanghai Composite Index returning to 4000 points, and the CSI Artificial Intelligence Theme Index (930713) rising by 2.32% [1] - Key stocks in the AI sector saw significant gains, including 37 Interactive Entertainment up 10.00%, Xichuang Data up 7.60%, and Lanke Technology up 7.17% [1] - The AI ETF (515070) increased by 2.06%, with the latest price at 1.99 yuan, and has accumulated a rise of 3.79% over the past two weeks as of December 31, 2025 [1] Group 2 - According to Xinda Securities, the spring market is expected to revolve around policy and thematic rapid rotation, suggesting an increase in allocation to value sectors, with previously lagging sectors likely to experience structural rebounds [1] - The AI ETF (515070) tracks the CSI Artificial Intelligence Theme Index (930713), focusing on companies providing technology, basic resources, and applications in the AI industry, often referred to as the "brain" creators of robotics and the foundational layer of the Internet of Things [1] - The top ten weighted stocks in the AI ETF include leading domestic technology firms such as Zhongji Xuchuang, Xinyi Sheng, Cambricon Technologies, and Hikvision [1]