航海装备板块1月23日跌1.06%，中科海讯领跌，主力资金净流出3.48亿元

Market Overview - The marine equipment sector experienced a decline of 1.06% on January 23, with Zhongke Haixun leading the drop [1] - The Shanghai Composite Index closed at 4136.16, up 0.33%, while the Shenzhen Component Index closed at 14439.66, up 0.79% [1] Stock Performance - Key stocks in the marine equipment sector showed varied performance, with Hailanxin increasing by 2.45% to a closing price of 24.24, while China Shipbuilding fell by 1.47% to 35.53 [1] - The trading volume and turnover for major stocks included Hailanxin with 1.39 million shares traded and a turnover of 33.71 million yuan, and China Shipbuilding with 1.1752 million shares traded and a turnover of 4.217 billion yuan [1] Capital Flow - The marine equipment sector saw a net outflow of 348 million yuan from institutional investors, while retail investors contributed a net inflow of 387 million yuan [1] - Detailed capital flow data indicated that Hailanxin had a net inflow of 21.45 million yuan from institutional investors, while Zhongke Haixun experienced a net outflow of 7.68 million yuan [2]