Group 1 - The core index of the China Securities Big Data Industry Index (930902) closed down 0.58% at 2875.61 points, with a trading volume of 22.909 billion yuan [1] - Over the past month, the index has increased by 2.28%, decreased by 5.63% over the past three months, and has risen by 1.63% year-to-date [1] - The index reflects the overall performance of listed companies involved in big data storage, analysis, operation, production, and application [1] Group 2 - The top ten weighted companies in the index include Zhongke Shuguang (10.5%), Keda Xunfei (9.62%), Inspur Information (5.4%), and others [1] - The market share of the index's holdings is 64.73% from the Shenzhen Stock Exchange, 34.79% from the Shanghai Stock Exchange, and 0.48% from the Beijing Stock Exchange [1] - The industry composition of the index shows that information technology accounts for 74.39%, communication services for 24.10%, and industry for 1.51% [2] Group 3 - The index samples are adjusted every six months, with adjustments implemented on the next trading day after the second Friday of June and December [2] - Weight factors are generally fixed until the next scheduled adjustment, with special cases allowing for temporary adjustments [2] - Public funds tracking the index include multiple funds from Fuguo and Huaxia, as well as ETFs from Fuguo, Huaxia, and Huabao [2]

Core Viewpoint - The China Securities Index for the big data industry has shown a decline over the past month, three months, and year-to-date, indicating potential challenges in the sector [2]. Group 1: Index Performance - The China Securities Big Data Industry Index rose by 1.41% to 2782.91 points with a trading volume of 22.184 billion yuan on June 23 [1]. - Over the past month, the index has decreased by 4.79%, by 18.02% over the last three months, and by 3.58% year-to-date [2]. Group 2: Index Composition - The index includes companies involved in big data storage, analysis, operations, production, and applications, reflecting the overall performance of listed companies in the big data sector [2]. - The top ten weighted companies in the index are: Zhongke Shuguang (10.63%), Keda Xunfei (9.87%), Inspur Information (5.41%), Unisplendour (4.97%), Hengsheng Electronics (4.91%), Runze Technology (3.26%), Tuo Wei Information (3.23%), China Software (3.0%), China Great Wall (3.0%), and Yonyou Network (2.84%) [2]. Group 3: Industry Breakdown - The index's holdings are primarily in the information technology sector (74.94%), followed by communication services (23.52%), and industrials (1.54%) [2]. Group 4: Index Adjustment and Fund Tracking - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [3]. - Public funds tracking the index include: Fuguo China Securities Big Data Industry Link A, Fuguo China Securities Big Data Industry Link C, Huaxia China Securities Big Data Industry Link A, Huaxia China Securities Big Data Industry Link C, Fuguo China Securities Big Data Industry ETF, Huaxia China Securities Big Data Industry ETF, and Huabao China Securities Big Data Industry ETF [3].

Core Viewpoint - The Zhongzheng Big Data Industry Index (930902) has shown strong performance, with significant increases in constituent stocks and a notable rise in the Data ETF (516000) [3][4]. Performance Summary - As of May 9, 2025, the Data ETF has achieved a net value increase of 35.62% over the past three years, ranking first among comparable funds [4]. - The Data ETF's highest single-month return since inception was 31.45%, with an average monthly return of 8.34% and a year-to-date profit percentage of 66.67% [4]. - The Data ETF has a Sharpe ratio of 1.05 for the past year, indicating the highest return for the same level of risk among comparable funds [4]. - The Data ETF has the lowest management fee rate of 0.50% and a custody fee rate of 0.10% among comparable funds [4]. Trading Activity - The Data ETF experienced a trading volume of 1.65% with a total transaction value of 6.96 million yuan on the latest trading day [3]. - Over the past week, the average daily transaction value for the Data ETF was 23.82 million yuan [3]. Fund Flows - The Data ETF has seen a net outflow of 1.87 million yuan recently, but it attracted a total of 11.64 million yuan over the last four trading days [3]. Index Composition - The top ten weighted stocks in the Zhongzheng Big Data Industry Index account for 50.19% of the index, with notable companies including iFlytek (002230) and Inspur Information (000977) [5][7].