Group 1 - The core viewpoint of the articles highlights the performance of the CSI Medical Index, which rose by 0.44% to 6508.47 points, with a trading volume of 14.766 billion yuan [1] - The CSI Medical Index has shown a slight increase of 0.14% over the past month, a decline of 5.12% over the last three months, and a year-to-date decrease of 1.20% [1] - The index includes companies involved in medical devices, medical services, and medical information technology, reflecting the overall performance of the medical theme listed companies [1] Group 2 - The top ten weighted companies in the CSI Medical Index include WuXi AppTec (10.43%), Mindray Medical (9.87%), United Imaging (8.28%), Aier Eye Hospital (7.55%), Tigermed (3.41%), Amcare (3.4%), Huatai Medical (3.27%), New Industry (2.87%), Yuyue Medical (2.8%), and Kanglong Chemical (2.75%) [1] - The market share of the CSI Medical Index holdings is 57.10% from the Shenzhen Stock Exchange and 42.90% from the Shanghai Stock Exchange [1] - The industry composition of the CSI Medical Index holdings shows that 95.96% is in the healthcare sector, 2.50% in information technology, and 1.54% in consumer goods [1] Group 3 - The index samples are adjusted every six months, with adjustments implemented on the next trading day following the second Friday of June and December [2] - Weight factors are adjusted in accordance with the sample adjustments, which are fixed until the next scheduled adjustment unless special circumstances arise [2] - Companies that are delisted or undergo mergers, acquisitions, or splits are handled according to the calculation and maintenance guidelines [2]