Jin Rong Jie·2025-04-14 07:28Group 1 - The Shanghai Composite Index opened high and the CSI 300 Pharmaceutical and Biotechnology Index reported 7370.94 points [1] - The CSI 300 Pharmaceutical and Biotechnology Index has decreased by 1.33% in the past month, increased by 5.20% in the past three months, and decreased by 0.98% year-to-date [1] - The CSI 300 Index is categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] Group 2 - The top ten weights in the CSI 300 Pharmaceutical and Biotechnology Index are: Heng Rui Medicine (24.17%), WuXi AppTec (14.58%), Pian Zai Huang (6.92%), Yunnan Baiyao (5.68%), Kelun Pharmaceutical (5.11%), East China Pharmaceutical (3.63%), New Hope Liuhe (3.58%), Shanghai Raas (3.57%), Changchun High-tech (3.53%), and Fosun Pharma (3.39%) [1] - The market share of the CSI 300 Pharmaceutical and Biotechnology Index is 61.98% from the Shanghai Stock Exchange and 38.02% from the Shenzhen Stock Exchange [2] - The industry composition of the index includes: chemical drugs (42.08%), traditional Chinese medicine (20.00%), pharmaceutical and biotechnology services (19.84%), and biological drugs (18.08%) [2] Group 3 - 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 generally fixed until the next scheduled adjustment, with temporary adjustments made when the CSI 300 Index samples are modified [2] - Special events affecting sample companies may lead to adjustments in the industry classification of the CSI 300 Industry Index [2]