Jin Rong Jie·2025-05-19 13:03Core Viewpoint - The A-share market showed mixed performance with the Shanghai 180 Growth Index declining by 0.63% to 3177.73 points, while the index has seen a slight increase of 0.87% over the past month but a decline of 1.24% over the last three months and a year-to-date decrease of 0.41% [1] Group 1: Index Performance - The Shanghai 180 Growth Index is part of a style index series that includes both growth and value indices, calculated based on growth and value factors from a sample of 60 listed companies [1] - The index has a base date of June 28, 2002, with a base point of 1000.0 [1] Group 2: Index Holdings - The top ten holdings of the Shanghai 180 Growth Index include Kweichow Moutai (10.74%), Zijin Mining (7.99%), and China Railway Shanghai (4.91%) among others [2] - The index is fully composed of stocks listed on the Shanghai Stock Exchange [2] - The industry composition of the index shows that industrials account for 21.35%, materials for 19.54%, and consumer staples for 17.34%, with technology and healthcare also represented [2] Group 3: Sample Adjustment - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [3] - The sample adjustment typically does not exceed 20%, with new samples prioritized based on their ranking [3] - In cases of delisting or corporate actions like mergers, the affected samples are removed or adjusted according to specific guidelines [3]