Zheng Xing Xing Ye Ri Bao·2026-01-13 09:06Group 1 - The aviation equipment sector experienced a significant decline of 6.8% on January 13, with Guanglian Aviation leading the drop [1] - The Shanghai Composite Index closed at 4138.76, down 0.64%, while the Shenzhen Component Index closed at 14169.4, down 1.37% [1] - Key stocks in the aviation equipment sector showed varied performance, with Hongdu Aviation increasing by 2.39% to a closing price of 39.90, while Guanglian Aviation fell by 14.14% to 38.12 [1][2] Group 2 - The aviation equipment sector saw a net outflow of 5.152 billion yuan from institutional investors, while retail investors contributed a net inflow of 3.978 billion yuan [2] - The trading volume for Guanglian Aviation was 676,700 shares, with a transaction value of 2.651 billion yuan, indicating significant trading activity despite the price drop [2] - Individual stock performances varied, with some stocks like Hongdu Aviation experiencing a net inflow of 87.79 million yuan from institutional investors, while others like ST Lihang faced a net outflow of 7.1834 million yuan [3]