宏信证券一周市场回顾（2025.05.26—2025.05.30）

Market Performance - The Shanghai Composite Index decreased by 0.03%, closing at 3347.49 points[5] - The Shenzhen Component Index fell by 0.91%, ending at 10040.63 points[5] - The ChiNext Index dropped by 1.40%, closing at 1993.19 points[5] Sector Performance - The top-performing sectors included Environmental Protection (up 3.42%), Pharmaceuticals (up 2.21%), and National Defense (up 2.13%) [13] - The worst-performing sectors were Automotive (down 4.11%), Electric Equipment (down 2.44%), and Non-ferrous Metals (down 2.40%) [13] Trading Volume and Margin Data - The average daily trading volume for A-shares was 10939 billion CNY, a decrease of 6.77% from the previous week[14] - The total margin balance in the market was 18009.47 billion CNY, a slight decrease of 0.02% from the previous week[16] - Margin balance accounted for 2.28% of the A-share market capitalization, an increase of 0.07% from the previous week[16] Margin Trading Activity - The total margin trading volume for the week was 4495.65 billion CNY, down 6.61% from the previous week[17] - Margin trading volume represented 8.22% of the total A-share trading volume, an increase of 0.17% from the previous week[17] Industry Margin Changes - The top five industries with increased margin balances were Machinery (1.859 billion CNY), Utilities (0.964 billion CNY), and Chemicals (0.794 billion CNY) [23] - The top five industries with decreased margin balances included Electronics (-1.669 billion CNY), Communications (-1.189 billion CNY), and Non-bank Financials (-0.889 billion CNY) [23]