Zheng Xing Xing Ye Ri Bao·2025-08-19 08:37Market Overview - The marine equipment sector experienced a decline of 0.42% on August 19, with Guorui Technology leading the losses [1] - The Shanghai Composite Index closed at 3727.29, down 0.02%, while the Shenzhen Component Index closed at 11821.63, down 0.12% [1] Stock Performance - Notable stock movements included: - Yihard Technology (300810) surged by 20.00% to a closing price of 65.47, with a trading volume of 297,400 shares and a transaction value of 1.909 billion [1] - Guorui Technology (300600) fell by 4.26% to a closing price of 22.02, with a trading volume of 342,700 shares and a transaction value of 763 million [1] - Other companies like China Shipbuilding (600150) and Jianglong Shipbuilding (300589) also saw declines of 0.31% and 2.38%, respectively [1] Capital Flow - The marine equipment sector saw a net outflow of 2.313 billion from main funds, while retail investors contributed a net inflow of 2.226 billion [1] - Specific stock capital flows included: - China Haifang (600764) had a main fund net outflow of 48.276 million and a retail net inflow of 63.059 million [2] - Guorui Technology (300600) experienced a main fund net outflow of 74.836 million but a retail net inflow of 77.005 million [2] - Jianglong Shipbuilding (300589) faced a significant main fund net outflow of 86.541 million, while retail investors contributed a net inflow of 94.508 million [2]