Group 1 - The core viewpoint of the news is that Sihnan Navigation experienced a decline in stock price, dropping by 5.22% to 42.70 CNY per share, with a total market capitalization of 3.436 billion CNY [1] - Sihnan Navigation specializes in high-precision satellite navigation chips and differential positioning (RTK) technology, providing centimeter and millimeter-level real-time positioning solutions based on the BeiDou and other global navigation satellite systems (GNSS) [1] - The company's revenue composition includes: data acquisition equipment (42.84%), high-precision GNSS boards/modules (20.70%), data applications and system solutions (20.32%), agricultural machinery automatic driving systems (12.13%), and others (4.00%) [1] Group 2 - Citic Securities Fund has a significant holding in Sihnan Navigation, with the Citic Securities Smart Life A Fund (010282) reducing its stake by 25,400 shares in the second quarter, now holding 70,000 shares, which represents 5.48% of the fund's net value [2] - The Citic Securities Smart Life A Fund has reported a loss of 13.96% year-to-date, ranking 8150 out of 8162 in its category, and a one-year loss of 18.39%, ranking 8015 out of 8024 [2] - The fund manager, Zhou Ziguang, has been in position for 8 years and 150 days, with the fund's total asset size at 888 million CNY, achieving a best return of 19.98% and a worst return of -49.75% during his tenure [3]

Group 1 - The stock price of Sinan Navigation has dropped by 5.06% on September 4, reaching 45.00 CNY per share, with a total market value of 3.621 billion CNY [1] - Sinan Navigation has experienced a cumulative decline of 8.9% over the past three days [1] - The company specializes in high-precision satellite navigation chips and differential positioning (RTK) technology, providing real-time positioning accuracy at centimeter and millimeter levels [1] Group 2 - Citic Securities Investment Fund holds a significant position in Sinan Navigation, with the Citic Securities Smart Life A fund reducing its holdings by 25,400 shares, now holding 70,000 shares, which constitutes 5.48% of the fund's net value [2] - The fund has incurred a floating loss of approximately 168,000 CNY today and a total floating loss of 324,100 CNY during the three-day decline [2] - The Citic Securities Smart Life A fund has reported a year-to-date loss of 9.97%, ranking 8174 out of 8180 in its category [2]

Group 1 - The core viewpoint of the news is that Sinan Navigation experienced a decline in stock price, dropping by 5.3% to 48.11 yuan per share, with a total market capitalization of 3.871 billion yuan as of the report date [1] - Sinan Navigation, established on February 28, 2012, specializes in high-precision satellite navigation chips and RTK technology, providing centimeter and millimeter-level real-time positioning solutions based on the BeiDou and other GNSS systems [1] - The company's revenue composition includes data acquisition equipment (42.84%), high-precision GNSS boards/modules (20.70%), data applications and system solutions (20.32%), agricultural machinery autonomous driving systems (12.13%), and others (4.00%) [1] Group 2 - From the perspective of major fund holdings, one fund under CITIC Jiantou has a significant position in Sinan Navigation, with a reduction of 25,400 shares in the second quarter, holding a total of 70,000 shares, which represents 5.48% of the fund's net value [2] - The CITIC Jiantou Zhixiang Life A fund, established on November 4, 2020, has a current scale of 36.0491 million yuan and has experienced a loss of 5.19% this year, ranking 8179 out of 8184 in its category [2] - The fund manager, Zhou Ziguang, has been in position for 8 years and 101 days, with the fund's total asset scale at 1.034 billion yuan, achieving a best return of 33.06% and a worst return of -46.91% during his tenure [3]