长光华芯股价涨6.28%，工银瑞信基金旗下1只基金重仓，持有5848股浮盈赚取4.49万元

Group 1 - The core viewpoint of the news is the performance and market position of Changguang Huaxin, which saw a stock price increase of 6.28% to 129.89 yuan per share, with a total market capitalization of 22.897 billion yuan [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 established 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 Industrial Bank of China Rui Xin Fund has a significant position in Changguang Huaxin, with the Science and Technology Innovation 200 ETF holding 5,848 shares, representing 1.44% of the fund's net value [2] - The Science and Technology Innovation 200 ETF has achieved a year-to-date return of 17.13% and ranks 228 out of 5,548 in its category, with a total fund size of 50.8623 million [2] - The fund manager, He Shun, has a tenure of 2 years and 101 days, with the best fund return during this period being 82.8% [3]