Mei Ri Jing Ji Xin Wen·2025-05-26 04:10Core Viewpoint - The cloud gaming industry continues to lead the market, with significant gains in the information security and big data sectors, as evidenced by the performance of related ETFs [1] Group 1: ETF Performance - Several ETFs related to big data have shown a half-day increase of over 1%, with specific ETFs like the Information Security ETF (159613) and the Big Data Industry ETF (516700) rising by 1.59% and 1.51% respectively [2][3] - The Information Security ETFs (159613 and 562920) have small scales, with half-day trading volumes below 10 million yuan, tracking the CSI Information Security Theme Index [3] Group 2: Index Composition - The CSI Information Security Theme Index includes listed companies involved in information security technology, products, and services, reflecting the overall performance of securities in the information security sector [4] - Major stocks in the CSI Information Security Theme Index include Inspur Information (5.78%), Unisoc (5.39%), and Hikvision (5.02%) [5] Group 3: Big Data Sector - The Big Data Industry ETF (516700), Big Data ETF (515400), and Data ETF (516000) also experienced gains exceeding 1%, with the Big Data ETF (515400) having a large scale of 2.3 billion shares and a half-day trading volume of 96.73 million yuan [6] - The CSI Big Data Industry Index selects companies involved in big data storage, analysis, operations, and applications, reflecting the overall performance of securities in the big data sector [6][7] - Key stocks in the CSI Big Data Industry Index include iFlytek (9.23%), Inspur Information (8.72%), and Unisoc (6.22%) [7]