Jin Rong Jie·2025-07-08 07:34Group 1 - The Shanghai Medium Enterprises Composite Index (000020) opened high and rose by 1.18%, closing at 1325.48 points with a trading volume of 148.314 billion yuan [1] - Over the past month, the index has increased by 2.04%, by 16.23% over the last three months, and by 9.94% year-to-date [1] - The index is calculated using a free-float market capitalization weighting method, with a base date of December 28, 2007, set at 1000.0 points [1] Group 2 - The top ten weighted stocks in the index include: SMIC (5.22%), Cambrian (3.47%), Stone Technology (0.98%), Sitaiwei (0.9%), Huahai Qingke (0.85%), Pacific (0.82%), Hengxuan Technology (0.82%), Chufeng Power (0.77%), Tuojing Technology (0.7%), and Longxin Zhongke (0.66%) [1] - The index is composed entirely of stocks listed on the Shanghai Stock Exchange, with a 100% representation [1] Group 3 - The industry composition of the index includes: Information Technology (33.04%), Industrials (23.12%), Consumer Discretionary (11.13%), Health Care (10.53%), Materials (8.80%), Consumer Staples (4.97%), Communication Services (4.42%), Financials (1.75%), Real Estate (0.98%), Utilities (0.85%), and Energy (0.41%) [2] - The index samples are adjusted annually, with adjustments implemented on the next trading day after the second Friday of June [2] - Temporary adjustments to the index samples may occur under special circumstances, such as when a sample no longer meets the medium enterprise classification standards or when a sample is delisted [2]