Sou Hu Cai Jing·2025-08-20 09:20Core Viewpoint - The marine economy sector experienced a decline of 0.98% on August 20, with Zhongke Haixun leading the drop, while the Shanghai Composite Index rose by 1.04% and the Shenzhen Component Index increased by 0.89% [1][2]. Group 1: Market Performance - The marine economy sector's stocks showed mixed performance, with notable gainers including Youfu Co. (up 5.40% to 8.20), Gangyan High-tech (up 4.14% to 18.37), and Qianeng Hengxin (up 3.98% to 20.91) [1]. - Conversely, Zhongke Haixun saw a significant drop of 13.73% to 56.48, followed by Southern Road Machinery down 10.00% to 47.25 [2]. Group 2: Trading Volume and Capital Flow - The marine economy sector recorded a net outflow of 1.904 billion yuan from institutional investors, while retail investors saw a net inflow of 1.797 billion yuan [2][3]. - The trading volume for Youfu Co. reached 881,200 shares with a transaction value of 718 million yuan, while Zhongke Haixun had a trading volume of 269,000 shares with a transaction value of 1.588 billion yuan [1][2]. Group 3: Individual Stock Capital Flow - Gangyan High-tech had a net inflow of 66.03 million yuan from institutional investors, while retail investors experienced a net outflow of 57.27 million yuan [3]. - Youfu Co. saw a net inflow of 62.68 million yuan from institutional investors, with retail investors also facing a net outflow of 63.38 million yuan [3].