航海装备板块1月30日跌2.54%，中科海讯领跌，主力资金净流出4.35亿元

Market Overview - The marine equipment sector experienced a decline of 2.54% on January 30, with Zhongke Haixun leading the drop [1] - The Shanghai Composite Index closed at 4117.95, down 0.96%, while the Shenzhen Component Index closed at 14205.89, down 0.66% [1] Stock Performance - Key stocks in the marine equipment sector showed varied performance, with Hailanxin rising by 4.75% to a closing price of 25.14, while other stocks like China Shipbuilding and Tianhai Defense saw declines of 2.98% and 3.34%, respectively [1] - The trading volume and turnover for major stocks were significant, with China Shipbuilding recording a turnover of 3.576 billion yuan [1] Capital Flow - The marine equipment sector saw a net outflow of 435 million yuan from main funds, while retail investors contributed a net inflow of 281 million yuan [1] - Detailed capital flow data indicates that Hailanxin had a net inflow of 4.36 billion yuan from main funds, while stocks like China Shipbuilding and Tianhai Defense experienced significant net outflows of 6.32 billion yuan and 1.15 billion yuan, respectively [2]