Zheng Xing Xing Ye Ri Bao·2025-09-17 08:52Market Overview - On September 17, the professional engineering sector rose by 0.13% compared to the previous trading day, with Zhenhai Co. leading the gains [1] - The Shanghai Composite Index closed at 3876.34, up 0.37%, while the Shenzhen Component Index closed at 13215.46, up 1.16% [1] Top Gainers in Professional Engineering Sector - Zhenhai Co. (603637) closed at 13.18, up 10.02% with a trading volume of 219,500 shares and a turnover of 282 million yuan [1] - Shikong Technology (605178) also rose by 10.02%, closing at 28.67 with a turnover of 353 million yuan [1] - Roman Co. (605289) increased by 10.00%, closing at 59.95 with a turnover of 465 million yuan [1] - Other notable gainers include Sen Te Co. (603098) up 4.03% and Baoli Technology (603959) up 3.23% [1] Market Capital Flow - The professional engineering sector experienced a net outflow of 316 million yuan from institutional investors, while retail investors saw a net inflow of 247 million yuan [2] - Speculative funds had a net inflow of 68.36 million yuan [2] Individual Stock Capital Flow - Sen Te Co. (603098) had a net outflow of 58.52 million yuan from institutional investors, while retail investors had a net outflow of 62.50 million yuan [3] - Roman Co. (605289) saw a net inflow of 56.65 million yuan from institutional investors, but a net outflow of 68.12 million yuan from retail investors [3] - Zhenhai Co. (603637) had a net inflow of 43.36 million yuan from institutional investors, with retail investors also experiencing a net outflow [3]