Jin Rong Jie·2025-07-21 07:54Core Viewpoint - The Shanghai Health Industry Index has shown significant growth, reflecting the overall performance of major companies in the healthcare, food safety, and environmental sectors listed on the Shanghai Stock Exchange [2]. Group 1: Index Performance - The Shanghai Health Industry Index has increased by 4.93% over the past month, 8.76% over the past three months, and 7.27% year-to-date [2]. - The index is based on the largest 50 listed companies in relevant sectors, using an equal-weighted approach to represent the overall performance of health-related companies [2]. Group 2: Index Composition - The top ten weighted companies in the index include Shanghai Washba (3.12%), WuXi AppTec (2.5%), and others, with the total weight of these companies reflecting their significance in the index [2]. - The index is composed entirely of companies listed on the Shanghai Stock Exchange, with a sector breakdown showing 39.55% in healthcare, 29.68% in consumer goods, 24.70% in industrials, and 6.07% in utilities [2]. Group 3: Index Adjustment Mechanism - The index samples are adjusted biannually, with changes implemented on the next trading day following the second Friday of June and December [3]. - Each adjustment typically does not exceed 20% of the sample, and weight factors are fixed until the next scheduled adjustment unless special circumstances arise [3].