长光华芯股价涨5.33%，银华基金旗下1只基金重仓，持有6604股浮盈赚取2.83万元

Group 1 - The core viewpoint of the news is the performance and market position of Changguang Huaxin, which saw a stock price increase of 5.33% to 84.55 CNY per share, with a total market capitalization of 14.904 billion CNY [1] - Changguang Huaxin specializes in the research, manufacturing, and sales of semiconductor laser chips, devices, and modules, with its main revenue sources being high-power single-tube series (76.98%), VCSEL and optical communication chips (11.47%), high-power bar series (5.54%), and others [1] - The company was founded on March 6, 2012, and went public on April 1, 2022, indicating a relatively recent entry into the public market [1] Group 2 - From the perspective of fund holdings, the Yinhua Fund has a significant position in Changguang Huaxin, with the 1000 Enhanced ETF holding 6,604 shares, representing 1.03% of the fund's net value, making it the largest holding [2] - The 1000 Enhanced ETF has shown a year-to-date return of 34.24%, ranking 1,532 out of 4,216 in its category, and a one-year return of 32.12%, ranking 1,262 out of 3,913 [2] - The fund manager, Zhang Kai, has been in the position for nearly 13 years, with the fund's total asset size at 1.992 billion CNY and a best return of 130.54% during his tenure [3]