综合板块9月25日跌1.32%，南京公用领跌，主力资金净流出2.37亿元

Market Overview - On September 25, the comprehensive sector declined by 1.32% compared to the previous trading day, with Nanjing Public Utilities leading the decline [1] - The Shanghai Composite Index closed at 3853.3, down 0.01%, while the Shenzhen Component Index closed at 13445.9, up 0.67% [1] Stock Performance - Nanjing Public Utilities (code: 000421) closed at 6.22, down 3.72% with a trading volume of 217,700 shares and a turnover of 137 million yuan [1] - Other notable declines included Hongmian Co. (code: 000523) down 1.86%, and Nanjing New Self (code: 600682) down 1.74% [1] Capital Flow - The comprehensive sector experienced a net outflow of 237 million yuan from main funds, while retail investors saw a net inflow of 138 million yuan [1] - Specific stocks such as Tianchen Co. (code: 600620) had a net inflow of 318,470 yuan from main funds, but a net outflow of 247,490 yuan from retail investors [2] Individual Stock Analysis - Zhenzhou Development (code: 000753) had a main fund net inflow of 411,400 yuan, but a net outflow of 155,490 yuan from retail investors [2] - Shanghai Sanmao (code: 600689) saw a net outflow of 37,830 yuan from main funds, while retail investors contributed a net inflow of 172,610 yuan [2]