甲骨文市值单日暴增2440亿美元，人工智能AIETF（515070）持仓股寒武纪大涨超8%

Group 1 - The core viewpoint of the news highlights a significant surge in technology stock prices in the US, particularly driven by the AI sector, leading to increased investment in artificial intelligence [1] - Oracle's stock price soared by 36%, marking its largest single-day percentage increase since 1992, with a market capitalization increase of $244 billion [1] - OpenAI has signed a historic agreement with Oracle to purchase $300 billion worth of computing power over five years, representing one of the largest cloud service contracts ever [1] Group 2 - The AI ETF (515070) tracks the CS Artificial Intelligence Theme Index (930713), focusing on companies that provide technology, foundational resources, and applications in the AI sector [2] - The top ten weighted stocks in the AI ETF include leading domestic technology firms such as Zhongji Xuchuang, Xinyisheng, and Cambricon [2] Group 3 - Related products include the AI ETF (515070), Huaxia CSI Artificial Intelligence Theme ETF Link A (008585), and Huaxia CSI Artificial Intelligence Theme ETF Link C (008586) [3]