地面兵装板块8月22日涨1.26%，国科军工领涨，主力资金净流出4.19亿元

Market Performance - The ground weaponry sector increased by 1.26% on August 22, with Guoke Military leading the gains [1] - The Shanghai Composite Index closed at 3825.76, up 1.45%, while the Shenzhen Component Index closed at 12166.06, up 2.07% [1] Individual Stock Performance - Guoke Military (688543) closed at 58.50, up 4.46% with a trading volume of 122,400 shares [1] - Jieqiang Equipment (300875) closed at 56.56, up 2.11% with a trading volume of 83,500 shares [1] - Beifang Changlong (301357) closed at 165.95, up 2.08% with a trading volume of 70,500 shares [1] - Inner Mongolia First Machinery (600967) closed at 25.62, up 1.87% with a trading volume of 1,019,600 shares [1] - Other notable stocks include Beifang Navigation (600435) at 16.55 (+1.22%), Optoelectronics Co. (600184) at 21.70 (+1.12%), and Galaxy Electronics (002519) at 5.40 (+0.93%) [1] Capital Flow Analysis - The ground weaponry sector experienced a net outflow of 419 million yuan from institutional investors, while retail investors saw a net inflow of 485 million yuan [1] - The detailed capital flow for individual stocks shows varied trends, with some stocks like Guoke Military and Zhongbing Hongjian experiencing significant net outflows from institutional and speculative investors [2]