工程咨询服务板块2月2日跌2.95%，太极实业领跌，主力资金净流出7.75亿元

Market Overview - The engineering consulting services sector experienced a decline of 2.95% on February 2, with Tai Chi Industrial leading the drop [1] - The Shanghai Composite Index closed at 4015.75, down 2.48%, while the Shenzhen Component Index closed at 13824.35, down 2.69% [1] Stock Performance - Notable gainers in the engineering consulting services sector included: - Shanshui Bide (300844) with a closing price of 43.52, up 4.14% [1] - Zhongda An (300635) at 14.38, up 1.91% [1] - Huatu Shanding (300492) at 78.61, up 1.67% [1] - Major decliners included: - Tai Chi Industrial (600667) at 10.10, down 9.98% [2] - Kansa Group (603458) at 10.55, down 7.86% [2] - Shenzhen Ruijie (300977) at 23.57, down 5.61% [2] Capital Flow - The engineering consulting services sector saw a net outflow of 775 million yuan from institutional investors, while retail investors contributed a net inflow of 486 million yuan [2] - The sector's overall capital flow indicates a mixed sentiment, with institutional selling and retail buying [2] Individual Stock Capital Flow - Key stocks and their capital flow include: - Huablu Group (301027) with a net inflow of 995.76 million yuan from institutional investors [3] - Shanshui Bide (300844) saw a net inflow of 335.43 million yuan from retail investors [3] - Zhongda An (300492) had a net outflow of 1730.48 million yuan from retail investors [3]