Market Overview - The ground equipment sector experienced a decline of 1.32% on September 15, with Tianqin Equipment leading the drop [1] - The Shanghai Composite Index closed at 3860.5, down 0.26%, while the Shenzhen Component Index closed at 13005.77, up 0.63% [1] Individual Stock Performance - Notable declines in individual stocks include: - North Navigation (600435) closed at 14.24, up 0.28% with a trading volume of 331,800 shares and a turnover of 473 million yuan [1] - Galaxy Electronics (002519) closed at 4.97, down 0.20% with a trading volume of 198,000 shares [1] - Zhongbing Hongjian (000519) closed at 18.34, down 1.08% with a trading volume of 320,700 shares and a turnover of 591 million yuan [1] - Northern Long Dragon (301357) closed at 131.14, down 1.34% with a trading volume of 69,200 shares and a turnover of 919 million yuan [1] - Great Wall Military Industry (601606) closed at 49.17, down 1.56% with a trading volume of 579,800 shares and a turnover of 2.886 billion yuan [1] Capital Flow Analysis - The ground equipment sector saw a net outflow of 544 million yuan from institutional investors, while retail investors contributed a net inflow of 453 million yuan [2] - The capital flow for individual stocks indicates significant outflows for: - Tianqin Equipment (300922) with a net outflow of 14.05% [3] - ST Emergency (300527) with a net outflow of 16.48% [3] - North Long Dragon (301357) with a net outflow of 7.12% [3] - Zhongbing Hongjian (000519) with a net outflow of 16.66% [3]