Sou Hu Cai Jing·2025-04-10 10:11Group 1 - The core viewpoint of the news is that the CSI Medical Index has shown fluctuations, with a recent increase of 1.73% despite a decline of 11.00% over the past month [1] - The CSI Medical Index reflects the overall performance of listed companies in the medical and healthcare sector, including medical devices, services, and information technology [1] - The index has a base date of December 31, 2004, with a base point of 1000.0 [1] Group 2 - The top ten weighted companies in the CSI Medical Index include WuXi AppTec (9.9%), Mindray Medical (9.27%), and Aier Eye Hospital (8.27%) [1] - The market share of the CSI Medical Index holdings is 57.98% from the Shenzhen Stock Exchange and 42.02% from the Shanghai Stock Exchange [1] - The industry composition of the CSI Medical Index holdings shows that 97.49% is in healthcare, 2.25% in information technology, and 0.26% in consumer goods [1] Group 3 - The index sample is adjusted every six months, 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 special circumstances allowing for temporary adjustments [2] - Companies that are delisted or undergo mergers, acquisitions, or splits are handled according to specific calculation and maintenance guidelines [2]