NHU(002001) Jin Rong Jie·2025-05-28 08:07Group 1 - The Shanghai Composite Index opened high and fluctuated, with the CSI 300 Pharmaceutical and Biotechnology Index reported at 7798.06 points [1] - The CSI 300 Pharmaceutical and Biotechnology Index has increased by 4.26% in the past month, 2.71% in the past three months, and 4.75% year-to-date [1] - The CSI 300 Index samples are 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 (25.23%), WuXi AppTec (16.45%), Pian Zai Huang (6.51%), Yunnan Baiyao (5.3%), Kelun Pharmaceutical (5.04%), East China Pharmaceutical (3.91%), New Horizon (3.59%), Changchun High-tech (3.57%), Shanghai Raist (3.34%), and Fosun Pharmaceutical (3.18%) [1] - The market share of the CSI 300 Pharmaceutical and Biotechnology Index is 63.57% from the Shanghai Stock Exchange and 36.43% from the Shenzhen Stock Exchange [2] - The industry composition of the index includes: Chemical drugs (43.24%), Pharmaceutical and Biotechnology services (21.56%), Traditional Chinese medicine (18.83%), and Biological drugs (16.37%) [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 changes in industry classification and subsequent adjustments to the CSI 300 industry index samples [2]