Group 1 - The core index of the A-share market, the CSI 800 Media Index, closed at 2669.42 points, with a one-month increase of 7.50%, a three-month increase of 18.18%, and a year-to-date increase of 14.45% [1] - The CSI 800 Media Index is categorized into 11 primary industries and 35 secondary industries, providing analytical tools for investors [1] - The top ten weighted stocks in the CSI 800 Media Index include: Focus Media (14.92%), Giant Network (8.79%), Kaineng Network (8.62%), Yanshan Technology (7.8%), Kunlun Wanwei (7.29%), Light Media (7.18%), Shenzhou Taiyue (6.35%), BlueFocus Communication Group (5.75%), Perfect World (5.19%), and Mango Super Media (4.03%) [1] Group 2 - The industry composition of the CSI 800 Media Index shows that gaming accounts for 28.94%, other advertising and marketing for 14.92%, film and animation for 12.88%, publishing for 9.63%, and other digital media for 7.80% [2] - The index sample is adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - In cases of special events affecting a sample company's industry classification, the CSI 800 Industry Index will be adjusted accordingly [2]