工程咨询服务板块11月18日跌0.95%，汉嘉设计领跌，主力资金净流出2.61亿元

Core Insights - The engineering consulting services sector experienced a decline of 0.95% on November 18, with HanJia Design leading the drop [1] - The Shanghai Composite Index closed at 3939.81, down 0.81%, while the Shenzhen Component Index closed at 13080.49, down 0.92% [1] Stock Performance - Tongji Technology (600846) saw a significant increase of 9.39%, closing at 16.90 with a trading volume of 312,500 shares and a transaction value of 521 million [1] - Matrix Co. (301365) rose by 4.94%, closing at 23.60 with a trading volume of 127,600 shares and a transaction value of 296 million [1] - Other notable performers included Huatu Shanlu (300492) with a 2.44% increase, closing at 69.81, and Jingwei Co. (301390) with a 1.00% increase, closing at 38.35 [1] Capital Flow - The engineering consulting services sector experienced a net outflow of 261 million from institutional investors, while retail investors saw a net inflow of 287 million [2] - Tongji Technology had a net inflow of 104 million from institutional investors, but a net outflow of 68.58 million from retail investors [2] - Matrix Co. had a net inflow of 45.86 million from institutional investors, while retail investors experienced a net outflow of 55.76 million [2]