工程咨询服务板块9月25日跌0.46%，深水规院领跌，主力资金净流出1.24亿元

Group 1 - The engineering consulting services sector experienced a decline of 0.46% on September 25, with Shen Shui Institute leading the drop [1][2] - The Shanghai Composite Index closed at 3853.3, down 0.01%, while the Shenzhen Component Index closed at 13445.9, up 0.67% [1] - Notable gainers in the engineering consulting sector included Huajian Group, which rose by 10.01% to a closing price of 21.55, and Hualan Group, which increased by 3.24% to 16.25 [1] Group 2 - Shen Shui Institute saw a significant decline of 8.32%, closing at 25.69, with a trading volume of 134,500 shares and a transaction value of 349 million [2] - The sector experienced a net outflow of 124 million from institutional investors, while retail investors saw a net inflow of 23.36 million [2][3] - The top net inflows from retail investors were observed in Huajian Group, with a net outflow of 84.1 million, and Hualan Group, which had a net inflow of 52.51 million [3]