航海装备板块12月23日涨0.08%，中国船舶领涨，主力资金净流出1.83亿元

Group 1 - The marine equipment sector increased by 0.08% compared to the previous trading day, with China Shipbuilding leading the gains [1] - The Shanghai Composite Index closed at 3919.98, up by 0.07%, while the Shenzhen Component Index closed at 13368.99, up by 0.27% [1] - A detailed table of individual stock performance in the marine equipment sector is provided [1] Group 2 - In terms of capital flow, the marine equipment sector experienced a net outflow of 183 million yuan from main funds and a net outflow of 106 million yuan from speculative funds, while retail investors contributed a net inflow of 288 million yuan [2] - A detailed table of capital flow for individual stocks in the marine equipment sector is included [2]