Sou Hu Cai Jing·2025-06-07 23:09Core Points - The A-share market showed mixed results with the CSI Medical Index declining by 0.94% to 6591.32 points, with a trading volume of 11.33 billion yuan [1] - Over the past month, the CSI Medical Index has increased by 4.50%, but it has decreased by 4.01% over the last three months, and it has risen by 1.46% year-to-date [1] - The CSI Medical Index includes companies involved in medical devices, medical services, and medical information technology, reflecting the overall performance of the medical sector [1] Index Composition - The top ten weighted companies in the CSI Medical Index are: WuXi AppTec (11.63%), Mindray Medical (9.59%), Aier Eye Hospital (7.62%), United Imaging (7.21%), Aimeike (3.41%), Tigermed (3.39%), CR Medical (3.23%), New Industry (3.23%), Huatai Medical (3.0%), and Yuyue Medical (2.91%) [1] - The market composition of the CSI Medical Index shows that 58.60% of the holdings are from the Shenzhen Stock Exchange, while 41.40% are from the Shanghai Stock Exchange [1] - In terms of industry composition, 97.55% of the holdings are in the medical and health sector, 2.18% in information technology, and 0.27% in consumer goods [1] Index Adjustment - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made under special circumstances [2] - Companies that are delisted or undergo mergers, acquisitions, or splits are handled according to the calculation and maintenance guidelines [2]