Aier(300015) 金融界·2025-03-26 14:46Core Points - The CSI All Share Healthcare Index increased by 0.05%, closing at 8642.42 points with a trading volume of 48.652 billion [1] - Over the past month, the index has risen by 0.21%, while it has decreased by 0.61% over the last three months and increased by 1.70% year-to-date [1] - The index is designed to reflect the overall performance of different industry companies within the CSI All Share Index, categorized into various levels of industries [1] Index Composition - The top ten weighted stocks in the CSI All Share Healthcare Index include: Heng Rui Medicine (6.67%), WuXi AppTec (5.32%), Mindray Medical (4.71%), Aier Eye Hospital (2.04%), Pian Zai Huang (2.0%), United Imaging Healthcare (1.66%), Yunnan Baiyao (1.6%), Kelun Pharmaceutical (1.27%), New Horizon (1.09%), and Shanghai Raist (1.03%) [1] - The market share of the index's holdings is distributed as follows: Shanghai Stock Exchange 50.92%, Shenzhen Stock Exchange 49.04%, and Beijing Stock Exchange 0.04% [2] - The index is composed entirely of the healthcare sector, with a 100% allocation to healthcare [2] Index Adjustment Mechanism - 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 in response to changes in the CSI All Share Index [2] - Special events affecting sample companies may lead to corresponding adjustments in the index, including delisting or corporate actions such as mergers and acquisitions [2]