Zheng Xing Xing Ye Ri Bao·2025-08-28 08:43Market Performance - On August 28, the professional engineering sector rose by 0.85% compared to the previous trading day, with Zhenhai Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3843.6, up 1.14%, while the Shenzhen Component Index closed at 12571.37, up 2.25% [1] Individual Stock Performance - Zhenhai Co., Ltd. (603637) closed at 11.78, with a gain of 7.97% and a trading volume of 274,900 shares, amounting to a transaction value of 318 million yuan [1] - Other notable performers included: - ShenlvdA (000032) at 27.93, up 7.01%, with a trading volume of 1,030,200 shares [1] - Tianwo Technology (002564) at 8.35, up 6.51%, with a trading volume of 667,000 shares [1] - Shenghui Integration (603163) at 40.50, up 6.02%, with a trading volume of 81,100 shares [1] Capital Flow Analysis - The professional engineering sector experienced a net outflow of 229 million yuan from institutional investors, while retail investors saw a net inflow of 154 million yuan [2] - Notable capital flows included: - Deep Sanda A (000032) with a net inflow of 206 million yuan from institutional investors [3] - Tianwo Technology (002564) with a net inflow of 25 million yuan from institutional investors [3] - Precision Steel Structure (600496) with a net inflow of 724,680 yuan from institutional investors [3]