航海装备板块2月3日涨5.35%，海兰信领涨，主力资金净流入17.39亿元

Group 1 - The marine equipment sector experienced a significant increase of 5.35% on February 3, with Hailanxin leading the gains [1] - The Shanghai Composite Index closed at 4067.74, up by 1.29%, while the Shenzhen Component Index closed at 14127.1, up by 2.19% [1] - Hailanxin's stock price rose by 15.82% to 28.40, with a trading volume of 2.5871 million shares and a transaction value of 7.172 billion [1] Group 2 - The net inflow of main funds in the marine equipment sector was 1.739 billion, while retail funds saw a net outflow of 824 million [1] - Hailanxin had a main fund net inflow of 1.038 billion, accounting for 14.47% of its total trading volume, while retail funds had a net outflow of 478 million [2] - China Shipbuilding also saw a main fund net inflow of 594 million, representing 12.83% of its trading volume, with retail funds experiencing a net outflow of 322 million [2]