航空装备板块9月4日跌3.55%，晨曦航空领跌，主力资金净流出25.48亿元

Market Overview - The aviation equipment sector experienced a decline of 3.55% on September 4, with Morningstar Aviation leading the drop [1] - The Shanghai Composite Index closed at 3765.88, down 1.25%, while the Shenzhen Component Index closed at 12118.7, down 2.83% [1] Stock Performance - Notable gainers in the aviation equipment sector included: - Hangyu Technology (688239) with a closing price of 36.45, up 2.22% [1] - Huaqin Technology (688281) with a closing price of 65.41, up 2.17% [1] - ST Lihang (603261) with a closing price of 21.27, up 1.72% [1] - Significant decliners included: - Morningstar Aviation (300581) with a closing price of 16.90, down 8.94% [2] - Lijun Co., Ltd. (002651) with a closing price of 11.81, down 8.73% [2] - Zhong Wuyun (688297) with a closing price of 46.67, down 6.66% [2] Capital Flow - The aviation equipment sector saw a net outflow of 2.548 billion yuan from institutional investors, while retail investors contributed a net inflow of 2.258 billion yuan [2][3] - The capital flow for specific stocks showed varied trends, with some stocks like ST Lihang and Wehai Guantai experiencing different levels of net inflow and outflow from institutional and retail investors [3]