地面兵装板块12月26日涨0.27%，国科军工领涨，主力资金净流出1.21亿元

Market Overview - The ground equipment sector increased by 0.27% compared to the previous trading day, with Guoke Military leading the gains [1] - The Shanghai Composite Index closed at 3963.68, up by 0.1%, while the Shenzhen Component Index closed at 13603.89, up by 0.54% [1] Stock Performance - Key stocks in the ground equipment sector showed varied performance, with Guoke Chegong closing at 60.09, up by 2.37%, and Yinhai Electronics at 6.25, up by 2.29% [1] - Other notable performances include Beifang Navigation at 14.89, up by 1.09%, and Zhongbing Hongjian at 17.82, up by 0.79% [1] - Conversely, stocks like Changcheng Military and Jiekang Equipment experienced slight declines of 0.13% and 0.15%, respectively [1] Trading Volume and Value - Guoke Chegong had a trading volume of 154,700 shares, with a transaction value of 932 million yuan [1] - Yinhai Electronics recorded a trading volume of 1,771,600 shares, with a transaction value of 1.104 billion yuan [1] - The overall trading activity in the ground equipment sector reflects significant investor interest, with total transaction values for several stocks exceeding 1 billion yuan [1] Capital Flow Analysis - The ground equipment sector saw a net outflow of 121 million yuan from institutional investors, while retail investors contributed a net inflow of 212 million yuan [2] - Notable stocks with significant capital flow include Yinhai Electronics and Beifang Navigation, which experienced net inflows from retail investors despite overall sector outflows [3] - The capital flow dynamics indicate a mixed sentiment among different investor classes, with retail investors showing more confidence in certain stocks [2][3]