2 1 Shi Ji Jing Ji Bao Dao·2025-10-21 10:32Strong Stocks - As of October 21, the Shanghai Composite Index rose by 1.36% to 3916.33 points, the Shenzhen Component Index increased by 2.06% to 13077.32 points, and the ChiNext Index climbed by 3.02% to 3083.72 points [1] - A total of 90 stocks in the A-share market hit the daily limit, with the top three strong stocks being Dayou Energy (600403), Hefei Urban Construction (002208), and Shanghai Shimao Development (600748) [1] - The top 10 strong stocks with specific data include: - Dayou Energy: 8 days with 7 limit-ups, turnover rate of 4.79%, and closing price of 9.11 [1] - Hefei Urban Construction: 8 days with 6 limit-ups, turnover rate of 14.2%, and closing price of 15.7 [1] - Shanghai Shimao Development: 5 days with 3 limit-ups, turnover rate of 8.87%, and closing price of 11.3 [1] Strong Concept Sectors - The top three concept sectors with the highest gains in the A-share market are Combustible Ice, Shale Gas, and Cultured Diamonds [2] - The top 10 concept sectors with their respective performance data include: - Combustible Ice: 5.51% increase [3] - Shale Gas: 4.33% increase [3] - Cultured Diamonds: 4.13% increase [3] - Other notable sectors include CPO (3.81%), Optical Fiber (3.29%), F5G (3.11%), MicroLED (3.03%), PCB (3.0%), Apple-related (2.97%), and MiniLED (2.94%) [3]