Market Overview - The ground equipment sector increased by 0.09% compared to the previous trading day, with Galaxy Electronics leading the gains [1] - The Shanghai Composite Index closed at 3843.6, up by 1.14%, while the Shenzhen Component Index closed at 12571.37, up by 2.25% [1] Stock Performance - Key stocks in the ground equipment sector showed varied performance, with Galaxy Electronics (002519) closing at 5.54, up by 3.36% on a trading volume of 928,000 shares and a turnover of 500 million yuan [1] - Northern Navigation (600435) also performed well, closing at 16.40, up by 3.27% with a trading volume of 699,800 shares and a turnover of 1.132 billion yuan [1] - Other notable performances include ST Emergency (300527) at 8.97, up by 2.51%, and National Science and Technology (688543) at 55.39, up by 1.00% [1] Capital Flow Analysis - The ground equipment sector experienced a net outflow of 784 million yuan from institutional investors, while retail investors saw a net inflow of 889 million yuan [2][3] - The capital flow for key stocks indicates that Longcheng Military Industry (601606) had a net outflow of 187.16 million yuan from institutional investors, while retail investors contributed a net inflow of 210 million yuan [3] - Northern Machinery (600967) also faced a significant net outflow of 166 million yuan from institutional investors, with retail investors contributing a net inflow of 199 million yuan [3]