Jin Rong Jie·2025-04-28 07:31Core Points - The Shanghai Composite Index opened lower and the CSI 300 Pharmaceutical and Biotechnology Index reported 7479.61 points [1] - The CSI 300 Pharmaceutical and Biotechnology Index has decreased by 0.64% in the past month, increased by 3.66% over the last three months, and has risen by 0.48% year-to-date [1] Industry Composition - The CSI 300 Pharmaceutical and Biotechnology Index is composed of 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] - The index is based on the performance of all securities in the CSI 300 Index classified by industry, with a base date of December 31, 2004, and a base point of 1000.0 [1] Index Holdings - The top ten holdings in the CSI 300 Pharmaceutical and Biotechnology Index are: - Heng Rui Medicine (24.75%) - WuXi AppTec (15.82%) - Pian Zai Huang (6.85%) - Yunnan Baiyao (5.7%) - Kelun Pharmaceutical (4.68%) - New Horizon (3.79%) - East China Pharmaceutical (3.64%) - Shanghai Raist (3.44%) - Fosun Pharma (3.38%) - Changchun High-tech (3.17%) [1] Market Distribution - The market distribution of the CSI 300 Pharmaceutical and Biotechnology Index shows that the Shanghai Stock Exchange accounts for 63.33% and the Shenzhen Stock Exchange accounts for 36.67% [2] Sector Breakdown - The sector breakdown of the index holdings indicates that: - Chemical drugs account for 42.69% - Pharmaceutical and biotechnology services account for 21.06% - Traditional Chinese medicine accounts for 19.74% - Biological drugs account for 16.51% [2] Sample Adjustment - The index samples are 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 sample changes, and any special events affecting a sample company's industry classification will lead to corresponding adjustments in the index [2]