Jin Rong Jie·2025-07-09 08:11Group 1 - The core viewpoint of the articles highlights the performance of the CSI 300 Pharmaceutical Index, which closed at 11609.22 points, showing a decline of 2.48% over the past month, an increase of 5.29% over the past three months, and a year-to-date increase of 6.57% [1] - The CSI 300 Pharmaceutical Index is composed of listed companies in the pharmaceutical sector selected from the CSI 300 Index, reflecting the overall performance of these companies [1] - The index was established on December 31, 2004, with a base point of 1000.0 [1] Group 2 - The top ten weighted companies in the CSI 300 Pharmaceutical Index include: Heng Rui Medicine (41.61%), Pian Zai Huang (10.46%), Yunnan Baiyao (8.71%), Kelun Pharmaceutical (6.52%), East China Pharmaceutical (6.0%), New Harmony (5.88%), Fosun Pharmaceutical (5.59%), Tong Ren Tang (4.26%), Bai Li Tian Heng (4.09%), and China Resources Sanjiu (3.63%) [1] - The market segment distribution of the CSI 300 Pharmaceutical Index shows that the Shanghai Stock Exchange accounts for 69.26% and the Shenzhen Stock Exchange accounts for 30.74% [2] - In terms of industry composition, the index sample consists of 63.81% drug formulations, 30.31% traditional Chinese medicine, and 5.88% raw materials [2] Group 3 - The index sample is adjusted every six months, with adjustments implemented on the next trading day after the second Friday of June and December each year [2] - Weight factors are adjusted in accordance with the regular sample adjustments, which occur at the same time [2] - In special circumstances, the index may undergo temporary adjustments, such as when a sample company is delisted or undergoes mergers, acquisitions, or splits [2]