Group 1 - The Shanghai Composite Index opened high and the CSI 300 Media (secondary industry) Index reported 796.37 points [1] - The CSI 300 Media Index has decreased by 3.43% in the past month, 1.21% in the past three months, and 5.22% 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% allocation [1] - Within the CSI 300 Media Index, the industry composition includes 51.67% in Other Advertising and Marketing, 19.52% in Interactive Media, 16.74% in Gaming, and 12.07% in 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]

金融界4月22日消息，A股三大指数收盘涨跌不一，沪深300媒体(二级行业)指数 (300媒体，L11509)报 815.80点。 数据统计显示，沪深300媒体(二级行业)指数近一个月下跌0.57%，近三个月上涨3.07%，年至今下跌 2.91%。 从沪深300媒体(二级行业)指数持仓的市场板块来看，深圳证券交易所占比100.00%。 资料显示，指数样本每半年调整一次，样本调整实施时间分别为每年6月和12月的第二个星期五的下一 交易日。权重因子随样本定期调整而调整，调整时间与指数样本定期调整实施时间相同。在下一个定期 调整日前，权重因子一般固定不变。遇临时调整时，当沪深300指数调整样本时，沪深300行业指数样本 随之进行相应调整。在样本公司有特殊事件发生，导致其行业归属发生变更时，将对沪深300行业指数 样本进行相应调整。当样本退市时，将其从指数样本中剔除。样本公司发生收购、合并、分拆等情形的 处理，参照计算与维护细则处理。 从沪深300媒体(二级行业)指数持仓样本的行业来看，其他广告营销占比50.02%、互动媒体占比 18.52%、游戏占比16.79%、视频媒体占比14.67%。 据了解，为反映沪深300指 ...