Group 1 - The core point of the news is that Zhongfu Circuit has seen a continuous increase in stock price, rising 0.81% to 86.39 yuan per share, with a total market capitalization of 16.538 billion yuan and a cumulative increase of 18.08% over the past four days [1] - Zhongfu Circuit, established on March 12, 2004, and listed on August 12, 2021, specializes in the research, production, and sales of printed circuit boards, with 89.34% of its revenue coming from this main business [1] - The trading volume for Zhongfu Circuit reached 1.118 billion yuan, with a turnover rate of 6.73% [1] Group 2 - According to data from the top ten heavy stocks of funds, Huaxia Fund holds a significant position in Zhongfu Circuit through its Huaxia Industrial Upgrade Mixed A fund, which held 375,400 shares, accounting for 5.43% of the fund's net value [2] - The Huaxia Industrial Upgrade Mixed A fund has generated a floating profit of approximately 25,900 yuan today and a total of 4.9665 million yuan during the four-day increase [2] - The fund, established on August 24, 2018, has a current scale of 311 million yuan, with a year-to-date return of 4.97% and a one-year return of 29.05% [2]

Group 1 - The core viewpoint of the article highlights the significant institutional ownership in *ST Songfa, with 14 institutional investors holding a total of 697 million shares, representing 71.78% of the total share capital [1] - The top ten institutional investors collectively hold 71.17% of the shares, which is a decrease of 4.83 percentage points compared to the previous quarter [1] - Among public funds, there was an increase in holdings from one fund, Bosera Theme Industry Mixed Fund, with an increase ratio of 0.24% [1] Group 2 - One new foreign institution disclosed its holdings this quarter, which is UBS AG [2]