航空装备板块9月12日跌0.73%，菲利华领跌，主力资金净流出8.44亿元

Core Insights - The aviation equipment sector experienced a decline of 0.73% on September 12, with Filihua leading the drop [1][2] - The Shanghai Composite Index closed at 3883.69, up 0.22%, while the Shenzhen Component Index closed at 12996.38, up 0.13% [1] Stock Performance - Notable gainers in the aviation equipment sector included: - Maxinlin (688685) with a closing price of 60.40, up 3.34% [1] - Boyun New Material (002297) at 8.83, up 2.91% [1] - Zongheng Co. (688070) at 53.29, up 2.72% [1] - Filihua (300395) was the largest loser, closing at 86.26, down 4.78% with a trading volume of 263,100 shares and a transaction value of 2.268 billion [2] Capital Flow - The aviation equipment sector saw a net outflow of 844 million from institutional investors, while retail investors contributed a net inflow of 534 million [2][3] - The capital flow for key stocks showed: - Filihua had a net outflow of 64.21 million from institutional investors [3] - Boyun New Material experienced a net inflow of 37.04 million from institutional investors [3]