工程咨询服务板块12月1日跌0.22%，中达安领跌，主力资金净流出2.84亿元

Market Overview - The engineering consulting services sector experienced a decline of 0.22% on December 1, with Zhongda An leading the drop [1] - The Shanghai Composite Index closed at 3914.01, up 0.65%, while the Shenzhen Component Index closed at 13146.72, up 1.25% [1] Stock Performance - Notable gainers in the engineering consulting services sector included: - Tongji Technology (600846) with a closing price of 17.20, up 6.83% and a trading volume of 164,700 shares, totaling 278 million yuan [1] - New City (300778) closed at 14.07, up 4.30% with a trading volume of 157,400 shares, totaling 222 million yuan [1] - Conversely, significant decliners included: - Zhongda An (300635) closed at 17.81, down 4.30% with a trading volume of 73,700 shares, totaling 133 million yuan [2] - Huajian Group (600629) closed at 21.41, down 3.25% with a trading volume of 639,400 shares, totaling 138 million yuan [2] Capital Flow - The engineering consulting services sector saw a net outflow of 284 million yuan from institutional investors, while retail investors contributed a net inflow of 234 million yuan [2] - The capital flow for specific stocks showed: - New City (300778) had a net inflow of 41.17 million yuan from institutional investors, but a net outflow of 34.40 million yuan from retail investors [3] - Zhongda An (300635) experienced a net inflow of 2.35 million yuan from institutional investors, with a net outflow of 9.99 million yuan from retail investors [3]