Market Performance - The engineering consulting services sector increased by 1.2% on September 16, with Huajian Group leading the gains [1] - The Shanghai Composite Index closed at 3861.87, up 0.04%, while the Shenzhen Component Index closed at 13063.97, up 0.45% [1] Individual Stock Performance - Huajian Group (600629) closed at 18.90, up 10.01%, with a trading volume of 789,600 shares and a transaction value of 1.463 billion [1] - Other notable gainers included: - Stock 300989: Closed at 17.89, up 5.73%, transaction value of 190 million [1] - Stock 300635: Closed at 15.40, up 5.26%, transaction value of 115 million [1] - Stock 603153: Closed at 20.17, up 4.35%, transaction value of 245 million [1] Fund Flow Analysis - The engineering consulting services sector experienced a net outflow of 211 million from institutional investors, while retail investors saw a net inflow of 291 million [2] - The sector's overall fund flow indicates a mixed sentiment, with institutional selling and retail buying [2] Detailed Fund Flow for Selected Stocks - Shanghai Jianke (603153) had a net inflow of 17.38 million from institutional investors, but a net outflow of 6.39 million from speculative funds [3] - Other stocks with significant fund flow include: - Stock 300492: Net inflow of 14.49 million from institutional investors [3] - Stock 000779: Net inflow of 8.12 million from institutional investors [3]