沪深300媒体(二级行业)指数报805.98点，前十大权重包含芒果超媒等

Group 1 - The A-share market's three major indices closed mixed, with the CSI 300 Media (secondary industry) index at 805.98 points [1] - The CSI 300 Media index has increased by 0.50% over the past month, decreased by 1.56% over the past three months, and has declined by 4.08% year-to-date [1] - The CSI 300 index categorizes its 300 sample stocks into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] Group 2 - The CSI 300 Media index is entirely composed of stocks from the Shenzhen Stock Exchange, with a 100.00% allocation [1] - Within the CSI 300 Media index, the industry composition includes 51.48% from Other Advertising and Marketing, 20.50% from Interactive Media, 16.19% from Gaming, and 11.83% from Video Media [1] - The index sample is adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2]