航海装备板块1月19日涨1.33%，中国海防领涨，主力资金净流入2.98亿元

Group 1 - The marine equipment sector increased by 1.33% on January 19, with China Shipbuilding Industry Corporation leading the gains [1] - The Shanghai Composite Index closed at 4114.0, up 0.29%, while the Shenzhen Component Index closed at 14294.05, up 0.09% [1] - Key stocks in the marine equipment sector showed varying performance, with China Shipbuilding closing at 35.75, up 1.19%, and China Haifeng leading with a 3.08% increase to 28.80 [1] Group 2 - The marine equipment sector saw a net inflow of 298 million yuan from institutional investors, while retail investors experienced a net outflow of 160 million yuan [1] - Major stocks like China Shipbuilding had a net inflow of 211 million yuan from institutional investors, but faced a net outflow of 89.42 million yuan from retail investors [2] - Other stocks such as HaiLanXin and Jianglong Shipbuilding also experienced mixed fund flows, with HaiLanXin seeing a net inflow of 42.32 million yuan from institutional investors [2]