Group 1 - The stock of Hengyu Xintong fell by 5.01% on August 27, closing at 73.71 yuan per share, with a trading volume of 102 million yuan and a turnover rate of 6.67%, resulting in a total market capitalization of 4.423 billion yuan [1] - Hengyu Xintong Aviation Equipment (Beijing) Co., Ltd. specializes in the research, production, and sales of helicopter integrated display control equipment, with its main business revenue composition being: 40.67% from general and other helicopter display control equipment, 32.25% from transport helicopter display control equipment, 15.64% from other sources, 10.78% from technical services, and 0.66% from other supplementary sources [1] Group 2 - Zhongyou Fund holds a significant position in Hengyu Xintong through its fund Zhongyou Military-Civilian Integration Flexible Allocation Mixed A (004139), which held 240,000 shares, accounting for 2.07% of the fund's net value, ranking as the fifth largest holding [2] - The fund has experienced a floating loss of approximately 933,600 yuan as of the latest report [2] - The fund has achieved a year-to-date return of 36.32%, ranking 1313 out of 8194 in its category, and a one-year return of 59.74%, ranking 1665 out of 7963 [2]