Group 1 - The core viewpoint of the news is that Qizhong Technology has seen a significant increase in stock price and trading volume, indicating positive market sentiment towards the company [1] - Qizhong Technology, established on January 18, 2018, specializes in advanced packaging and testing services for integrated circuits, with a focus on display driver chips, power management chips, and RF front-end chips [1] - The company's revenue composition shows that display driver ICs account for 92.09%, non-display driver ICs for 6.43%, and other products for 1.48% [1] Group 2 - Qizhong Technology's major shareholder, Guolianan Fund, increased its holdings in the company by 415,900 shares, bringing its total to 5,020,400 shares, which represents 1.37% of the circulating shares [2] - The Guolianan CSI Semiconductor Products and Equipment ETF Link A (007300) has achieved a year-to-date return of 30.78% and a one-year return of 99.24%, ranking 1427 out of 4222 and 358 out of 3800 respectively [2] - The fund has a total size of 1.669 billion and has delivered a cumulative return of 164.02% since its inception [2]