润欣科技股价涨5.5%，华夏基金旗下1只基金位居十大流通股东，持有222.84万股浮盈赚取242.9万元

Group 1 - The core viewpoint of the news is that Runxin Technology's stock has increased by 5.5%, reaching a price of 20.91 yuan per share, with a trading volume of 4.57 billion yuan and a turnover rate of 4.44%, resulting in a total market capitalization of 107.17 billion yuan [1] - Runxin Technology, established on October 9, 2000, and listed on December 10, 2015, is located in Xuhui District, Shanghai. The company specializes in providing a series of technical support services, including IC application solutions, which contribute to the sales of IC products [1] - The main revenue composition of Runxin Technology includes: digital communication chips and system-level application products (29.11%), discrete devices (20.47%), audio and power amplifiers (19.88%), RF and power amplifiers (16.13%), and IoT communication modules (14.42%) [1] Group 2 - From the perspective of the top ten circulating shareholders of Runxin Technology, Huaxia Fund holds a position in the top ten shareholders. The Huaxia CSI 1000 ETF (159845) reduced its holdings by 5,100 shares in the third quarter, now holding 2.2284 million shares, which accounts for 0.44% of the circulating shares [2] - The Huaxia CSI 1000 ETF (159845) was established on March 18, 2021, with a latest scale of 49.908 billion yuan. Year-to-date returns are 8.36%, ranking 1481 out of 5569 in its category; the one-year return is 35.81%, ranking 1830 out of 4295; and since inception, the return is 40.71% [2] Group 3 - The fund manager of Huaxia CSI 1000 ETF (159845) is Zhao Zongting, who has a cumulative tenure of 8 years and 302 days. The total asset scale of the fund is 356.966 billion yuan, with the best fund return during his tenure being 124.19% and the worst being -32.63% [3]