Zheng Xing Xing Ye Ri Bao·2025-10-17 08:35Core Points - The engineering consulting services sector experienced a decline of 0.5% on October 17, with Tai Chi Industrial leading the drop [1] - The Shanghai Composite Index closed at 3839.76, down 1.95%, while the Shenzhen Component Index closed at 12688.94, down 3.04% [1] Sector Performance - Matrix Co. (301365) saw a significant increase in share price, closing at 26.03 with a rise of 11.53% and a trading volume of 231,400 shares, amounting to a transaction value of 582 million [1] - Other notable gainers included: - Zhongheng Design (603017) at 10.66, up 4.61% [1] - Youan Design (300983) at 24.51, up 3.77% [1] - Tai Chi Industrial (600667) led the declines, closing at 7.86, down 6.09% with a trading volume of 1,160,000 shares and a transaction value of 931 million [2] - Other significant decliners included: - China Ruilin (603257) at 70.39, down 5.86% [2] - Suzhou Planning (301505) at 21.89, down 5.77% [2] Capital Flow - The engineering consulting services sector saw a net outflow of 209 million from institutional investors, while retail investors contributed a net inflow of 212 million [2] - The capital flow for key stocks showed: - Matrix Co. had a net outflow of 35.93 million from institutional investors [3] - Zhongheng Design experienced a net inflow of 21.43 million from institutional investors [3] - Tongji Technology (600846) had a net inflow of 18.91 million from institutional investors [3]