航海装备板块11月28日涨0.69%，天海防务领涨，主力资金净流出8373.65万元

Group 1 - The marine equipment sector increased by 0.69% on November 28, with Tianhai Defense leading the gains [1] - The Shanghai Composite Index closed at 3888.6, up 0.34%, while the Shenzhen Component Index closed at 12984.08, up 0.85% [1] Group 2 - The marine equipment sector experienced a net outflow of 83.7365 million yuan from main funds, while retail investors saw a net inflow of 30.4898 million yuan [2] - Major stocks in the marine equipment sector showed varied fund flows, with China Shipbuilding seeing a net inflow of 12.9 million yuan from main funds, but a net outflow of 75.9718 million yuan from speculative funds [2] - Sichuan Aohua had a significant net outflow of 32.8190 million yuan from main funds, while retail investors contributed a net inflow of 17.6361 million yuan [2]