Group 1 - The core point of the news is that Guokai Microelectronics has seen a stock price increase of 5.11%, reaching 92.41 yuan per share, with a total market capitalization of 20.066 billion yuan [1] - Guokai Microelectronics, established on September 24, 2008, and listed on July 12, 2017, specializes in the research and sales of chips related to video decoding, video encoding, solid-state storage, and the Internet of Things, with integrated circuits accounting for 100% of its main business revenue [1] Group 2 - From the perspective of fund holdings, Changxin Fund has a significant position in Guokai Microelectronics, with its Changxin CSI 1000 Index Enhanced A fund holding 40,800 shares, representing 0.87% of the fund's net value, making it the fifth-largest holding [2] - The Changxin CSI 1000 Index Enhanced A fund, established on April 20, 2023, has a current scale of 320 million yuan and has achieved a year-to-date return of 38.54%, ranking 834 out of 4206 in its category [2] - The fund manager, Zuo Jinbao, has a tenure of 10 years and 263 days, with the fund's total asset size at 2.19 billion yuan, achieving a best return of 136.16% and a worst return of -52.72% during his management [2]