PAIKE(SH:605123) Zheng Xing Xing Ye Ri Bao·2025-12-30 09:08Market Overview - The aviation equipment sector experienced a decline of 0.98% on December 30, with Parker New Material leading the drop [1] - The Shanghai Composite Index closed at 3965.12, down 0.0%, while the Shenzhen Component Index closed at 13604.07, up 0.49% [1] Top Performers - Hengyu Xintong (300965) saw a closing price of 71.33, with an increase of 7.59% and a trading volume of 48,800 shares, totaling 341 million yuan [1] - Maxinlin (688685) closed at 56.04, up 4.16%, with a trading volume of 46,800 shares, amounting to 262 million yuan [1] - AVIC Heavy Machinery (600765) closed at 19.18, up 4.01%, with a trading volume of 1.5823 million shares, totaling 3.08 billion yuan [1] Underperformers - Parker New Material (605123) closed at 102.00, down 7.73%, with a trading volume of 128,400 shares, totaling 1.338 billion yuan [2] - Tongyi Hangda (920642) closed at 16.52, down 7.61%, with a trading volume of 110,200 shares, amounting to 188 million yuan [2] - Hangyu Technology (688239) closed at 66.89, down 5.38%, with a trading volume of 149,000 shares, totaling 1.001 billion yuan [2] Capital Flow - The aviation equipment sector saw a net outflow of 1.473 billion yuan from institutional investors, while retail investors had a net inflow of 1.199 billion yuan [2][3] - The top net inflows from retail investors were observed in stocks like AVIC Heavy Machinery and Hongdu Aviation, while significant outflows were noted in Parker New Material and Tongyi Hangda [3]