Zheng Xing Xing Ye Ri Bao·2025-10-17 08:35Core Insights - The aviation equipment sector experienced a decline of 3.56% on October 17, with Aerospace Technology leading the drop [1] - The Shanghai Composite Index closed at 3839.76, down 1.95%, while the Shenzhen Component Index closed at 12688.94, down 3.04% [1] Stock Performance Summary - Notable gainers included: - Jiachi Technology (688708) with a closing price of 73.62, up 2.74% [1] - Chaozhuo Aerospace (688237) with a closing price of 52.92, up 0.28% [1] - Significant decliners included: - Aerospace Technology (688239) with a closing price of 40.13, down 9.37% [2] - Huayin Technology (688281) with a closing price of 65.96, down 7.44% [2] - The overall trading volume for the aviation equipment sector showed a net outflow of 2.236 billion yuan from major funds, while retail investors saw a net inflow of 1.777 billion yuan [2][3] Fund Flow Analysis - Major funds showed a net outflow from several stocks, including: - Aerospace Technology (688239) with a net outflow of 31.8377 million yuan [3] - Chaotuo Aerospace (688237) with a net outflow of 17.6257 million yuan [3] - Retail investors contributed positively to stocks like: - Aerospace Technology (688239) with a net inflow of 19.8205 million yuan [3] - Jiachi Technology (688708) with a net inflow of 17.775 million yuan [3]