Jin Rong Jie·2025-07-17 10:18Group 1 - The core index of the media sector, the CSI Media Index, opened low but rose, closing at 1296.45 points with a trading volume of 24.327 billion yuan [1] - The CSI Media Index has increased by 2.44% in the past month, 10.95% in the past three months, and 11.59% year-to-date [2] - The index consists of 50 large-cap listed companies from sectors such as marketing and advertising, cultural entertainment, and digital media, reflecting the overall performance of representative companies in the media field [2] Group 2 - The top ten weighted companies in the CSI Media Index include: Focus Media (9.79%), Giant Network (5.03%), Kaiying Network (4.84%), Yanshan Technology (4.77%), Kunlun Wanwei (4.65%), Light Media (4.3%), 37 Interactive Entertainment (3.86%), Leo Group (3.74%), Shenzhou Taiyue (3.7%), and BlueFocus Communication Group (3.51%) [2] - The market capitalization distribution of the CSI Media Index shows that 76.96% of the companies are listed on the Shenzhen Stock Exchange, while 23.04% are on the Shanghai Stock Exchange [3] Group 3 - The CSI Media Index is composed entirely of companies in the communication services sector, with a 100% allocation [4] - The index samples are adjusted semi-annually, with adjustments occurring on the next trading day after the second Friday of June and December each year [4] - In special circumstances, the index may undergo temporary adjustments, such as when a sample company is delisted or undergoes mergers, acquisitions, or splits [4]