航海装备板块2月4日涨1.5%，江龙船艇领涨，主力资金净流出3.92亿元

Core Viewpoint - The maritime equipment sector experienced a 1.5% increase on February 4, with Jianglong Shipbuilding leading the gains. The Shanghai Composite Index closed at 4102.2, up 0.85%, while the Shenzhen Component Index closed at 14156.27, up 0.21% [1]. Group 1: Market Performance - Jianglong Shipbuilding (300589) closed at 19.17, up 3.73% with a trading volume of 468,400 shares and a transaction value of 903 million yuan [1]. - Hailan Technology (300065) closed at 29.28, up 3.10% with a trading volume of 2,379,500 shares and a transaction value of 6.94 billion yuan [1]. - Yaxing Guolian (601890) closed at 11.22, up 2.56% with a trading volume of 816,100 shares and a transaction value of 91.8 million yuan [1]. - China Shipbuilding (600150) closed at 35.11, up 1.42% with a trading volume of 1,104,600 shares and a transaction value of 3.889 billion yuan [1]. Group 2: Capital Flow - The maritime equipment sector saw a net outflow of 392 million yuan from institutional investors, while retail investors contributed a net inflow of 267 million yuan [1]. - Jianglong Shipbuilding had a net inflow of 82.05 million yuan from retail investors, but a net outflow of 19.95 million yuan from speculative funds [2]. - China Shipbuilding experienced a net inflow of 1.02 million yuan from institutional investors, but a net outflow of 2.55 million yuan from speculative funds [2].