Core Viewpoint - The engineering consulting services sector experienced a decline of 1.85% on January 13, with 招标股份 leading the drop. The Shanghai Composite Index closed at 4138.76, down 0.64%, while the Shenzhen Component Index closed at 14169.4, down 1.37% [1]. Group 1: Market Performance - The engineering consulting services sector saw significant individual stock movements, with 深圳瑞捷 rising by 10.92% to a closing price of 21.84, and 招标股份 falling by 12.41% to 21.32 [1][2]. - The total net outflow of main funds in the engineering consulting services sector was 441 million yuan, while retail investors saw a net inflow of 435 million yuan [2]. Group 2: Stock Details - Notable gainers included 中设咨询, which increased by 5.01% to 8.60, and 深水规院, which rose by 3.58% to 25.19 [1]. - Major losers included 中衡设计, which decreased by 9.98% to 13.17, and 深城交, which fell by 4.31% to 27.54 [2]. Group 3: Fund Flow Analysis - The main net inflow for 深水规院 was 30.12 million yuan, while 深圳瑞捷 experienced a net outflow of 27.89 million yuan [3]. - The retail net inflow for 中诚咨询 was 930.19 million yuan, indicating strong interest from retail investors despite overall sector declines [3].