工程咨询服务板块10月22日跌2.2%，华建集团领跌，主力资金净流出3.71亿元

Core Insights - The engineering consulting services sector experienced a decline of 2.2% on October 22, with Huajian Group leading the drop [1] - The Shanghai Composite Index closed at 3913.76, down 0.07%, while the Shenzhen Component Index closed at 12996.61, down 0.62% [1] Sector Performance - The top gainers in the engineering consulting services sector included: - Shen Shui Gui Yuan (深水规院) with a closing price of 27.49, up 6.26% and a trading volume of 196,900 shares, totaling 557 million yuan [1] - Jian Ke Yuan (建科院) with a closing price of 17.28, up 5.37% and a trading volume of 225,200 shares, totaling 391 million yuan [1] - The major losers included: - Huajian Group (华建集团) with a closing price of 36.84, down 9.99% and a trading volume of 89,200 shares, totaling 329 million yuan [2] - Ju Zhen Co. (矩阵股份) with a closing price of 26.11, down 6.55% and a trading volume of 162,100 shares, totaling 424 million yuan [2] Capital Flow - The engineering consulting services sector saw a net outflow of 371 million yuan from institutional investors, while retail investors experienced a net inflow of 176 million yuan [2] - The capital flow for specific companies showed: - Jian Ke Yuan had a net inflow of 32.66 million yuan from institutional investors, but a net outflow of 27.33 million yuan from retail investors [3] - She Yan Yuan (设研院) had a net inflow of 22.09 million yuan from institutional investors and a net outflow of 54.44 million yuan from retail investors [3]