Zheng Xing Xing Ye Ri Bao·2025-08-15 08:44Market Performance - The professional engineering sector increased by 0.97% on August 15, with Northern International leading the gains [1] - The Shanghai Composite Index closed at 3696.77, up 0.83%, while the Shenzhen Component Index closed at 11634.67, up 1.6% [1] Stock Performance - Northern International (000065) closed at 12.93, rising by 7.04% with a trading volume of 712,700 shares and a turnover of 900 million yuan [1] - Other notable performers included: - Zhonggong International (002051) at 9.34, up 4.12% [1] - Roman Co., Ltd. (605289) at 41.64, up 3.58% [1] - Shenghui Sun (603163) at 33.30, up 3.42% [1] - Zhonggang International (000928) at 6.78, up 3.20% [1] Capital Flow - The professional engineering sector saw a net inflow of 1.39 million yuan from institutional investors, while retail investors contributed a net inflow of 58.51 million yuan [2] - Notably, Northern International experienced a net inflow of 72.39 million yuan from institutional investors, despite a net outflow of 41.32 million yuan from speculative funds [3]