Jin Rong Jie·2025-07-24 07:40Group 1 - The core viewpoint of the news is that the Shanghai Stock Exchange 300 Pharmaceutical Index has shown significant growth, with a 6.10% increase over the past month, 5.82% over the past three months, and 11.74% year-to-date [1] - The Shanghai Stock Exchange 300 Pharmaceutical Index is composed of listed companies in the pharmaceutical sector selected from the Shanghai and Shenzhen 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 Shanghai Stock Exchange 300 Pharmaceutical Index include: Heng Rui Medicine (42.46%), Pian Zai Huang (10.28%), Yunnan Baiyao (8.39%), Kelong Pharmaceutical (6.44%), East China Pharmaceutical (6.28%), New Hualian (5.68%), Fosun Pharmaceutical (5.54%), Baile Tianheng (4.14%), Tong Ren Tang (4.13%), and China Resources Sanjiu (3.51%) [1] - The market share of the index's holdings is 69.70% from the Shanghai Stock Exchange and 30.30% from the Shenzhen Stock Exchange [1] - The composition of the index's holdings by industry shows that drug formulations account for 64.85%, traditional Chinese medicine for 29.47%, and raw materials for 5.68% [1] Group 3 - The index sample is adjusted every six months, with adjustments implemented on the next trading day following the second Friday of June and December each year [2] - Weight factors are adjusted in accordance with the sample adjustments, which occur at the same time as the regular sample adjustments [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]