民爆光电逆市20CM4连板，免税店概念普涨丨强势个股

Group 1 - The Shanghai Composite Index fell by 0.64% to 4075.92 points, the Shenzhen Component Index decreased by 1.44% to 13952.71 points, and the ChiNext Index dropped by 1.55% to 3260.28 points as of February 5 [1] - A total of 57 stocks in the A-share market hit the daily limit, with the top three strong stocks being Minbao Optoelectronics (301362), Maoye Commercial (600828), and GCL-Poly Energy (002506) [1] - The top 10 strong stocks based on consecutive limit-up days and turnover rates include Minbao Optoelectronics with 4 consecutive limit-ups and a turnover rate of 57.8%, Maoye Commercial with 3 limit-ups in 5 days and a turnover rate of 7.97%, and GCL-Poly Energy with 2 consecutive limit-ups and a turnover rate of 21.6% [1] Group 2 - The top three concept sectors with the highest gains in the A-share market are the Horse Racing concept with a gain of 1.89%, Duty-Free Shops with a gain of 1.33%, and Internet Celebrity Economy with a gain of 1.3% [2] - The top 10 concept sectors based on their performance include Short Drama Games with a gain of 1.14%, Character Towns with a gain of 0.95%, and Tourism concept with a gain of 0.94% [2]