数据要素价值释放年定调，大数据ETF（515400）盘中涨幅达6.18%

Group 1 - The core viewpoint of the news highlights the strong performance of the big data sector, with significant gains in various ETFs related to AI and big data, indicating a bullish market sentiment [1] - The big data ETF (515400) saw an intraday increase of 6.18%, while other related ETFs also experienced notable gains, such as the Kweichow Moutai AI ETF (589300) with a 4.34% rise and the AI-focused ETF (159246) with a 3.86% increase [1] - The National Data Work Conference has set 2026 as the "Year of Data Factor Value Release," aiming to enhance data flow and resource allocation, which is expected to integrate data factors into economic value creation [1] Group 2 - The big data ETF (515400) closely tracks the CSI Big Data Industry Index (930902.CSI), which selects 50 listed companies in the big data sector from the Shanghai and Shenzhen markets, covering areas such as data storage, analysis, and application [2] - Major holdings in the ETF include technology companies like iFLYTEK, Inspur, and Unisplendour, indicating a focus on leading firms in the big data industry [2] - Investors can access investment opportunities through linked funds (A class 018134; C class 018135), providing additional avenues for participation in the big data market [2]