地面兵装板块2月3日涨2.41%，银河电子领涨，主力资金净流出2491.81万元

Market Performance - The ground equipment sector increased by 2.41% compared to the previous trading day, with Galaxy Electronics leading the gains [1] - The Shanghai Composite Index closed at 4067.74, up 1.29%, while the Shenzhen Component Index closed at 14127.1, up 2.19% [1] Stock Performance - Key stocks in the ground equipment sector showed the following closing prices and percentage changes: - Galaxy Electronics (002519) closed at 8.23, up 4.84% with a trading volume of 1.348 million shares and a turnover of 1.094 billion [1] - North Navigation (600435) closed at 16.67, up 3.09% with a trading volume of 364,000 shares and a turnover of 601 million [1] - Tianzuo Equipment (300922) closed at 22.96, up 2.96% with a trading volume of less than 30,200 shares and a turnover of 16.895 million [1] - Other notable stocks include Guodian (688543) at 65.68, up 2.24%, and Zhongbing Hongjian (000519) at 18.87, up 2.78% [1] Capital Flow - The ground equipment sector experienced a net outflow of 24.918 million from institutional investors, while retail investors saw a net inflow of 14.6 million [1] - Detailed capital flow for key stocks indicates: - Galaxy Electronics had a net inflow of 55.239 million from institutional investors but a net outflow of 14.471 million from retail investors [2] - North Navigation saw a net outflow of 2.409 million from institutional investors but a net inflow of 11.973 million from retail investors [2] - Tianzuo Equipment had a net inflow of 4.195 million from institutional investors and a net outflow of 1.430 million from retail investors [2]