AI应用强势领涨，大数据ETF（515400）盘中涨幅达3.19%

Group 1 - The market sentiment is gradually improving, with the three major indices rising, particularly in AI applications and big data sectors, with significant gains in related ETFs [1] - The big data ETF (515400) saw an intraday increase of 3.19%, while the ChiNext software ETF (159107) rose by 3.01%, indicating strong investor interest in these sectors [1] - Notable stocks within the big data ETF, such as Yuntian Lifeng, reached a daily limit increase of 20%, alongside other companies like Chengdi Xiangjiang and Yunsai Zhiliang also hitting their daily limits [1] Group 2 - Huawei announced the release of an AI code intelligent agent on February 26, which enhances developer efficiency by covering code generation, testing, and knowledge Q&A, integrating models like GLM-5 and DeepSeek [1] - NVIDIA's GTC 2026 event, scheduled for March 16-19 in San Jose, California, will showcase the first inference-specific LPU chip and new architectures, focusing on low-latency and high-efficiency inference, which is expected to reshape the AI industry chain [1] - The big data ETF closely tracks the CSI Big Data Industry Index, selecting 50 stocks from the Shanghai and Shenzhen markets, including major tech companies like iFlytek, Sugon, and Unisplendour among its top holdings [2]