地面兵装板块10月27日跌0.31%，长城军工领跌，主力资金净流出4.92亿元

Market Overview - The ground equipment sector experienced a decline of 0.31% on October 27, with Changcheng Military Industry leading the drop [1] - The Shanghai Composite Index closed at 3996.94, up 1.18%, while the Shenzhen Component Index closed at 13489.4, up 1.51% [1] Individual Stock Performance - Guoke Military Industry (688543) saw a closing price of 51.33, with an increase of 4.29% and a trading volume of 81,500 shares, totaling 412 million yuan [1] - Ganhuake Industry (000576) closed at 11.00, up 3.87%, with a trading volume of 159,500 shares, totaling 17.4 million yuan [1] - Tianzou Equipment (300922) closed at 26.07, up 1.80%, with a trading volume of 47,800 shares, totaling 12.4 million yuan [1] - Changcheng Military Industry (601606) closed at 49.98, down 2.52%, with a trading volume of 617,500 shares, totaling 3.098 billion yuan [2] Capital Flow Analysis - The ground equipment sector experienced a net outflow of 492 million yuan from institutional investors, while retail investors saw a net inflow of 498 million yuan [2] - The capital flow for individual stocks showed that Guoke Military Industry had a net inflow of 32.79 million yuan from institutional investors, while it faced a net outflow of 26.36 million yuan from speculative funds [3] - North China Long Dragon (301357) had a significant net outflow of 73.18 million yuan from institutional investors, while retail investors contributed a net inflow of 74.03 million yuan [3]