长光华芯股价涨5.12%，南方基金旗下1只基金位居十大流通股东，持有96.62万股浮盈赚取613.52万元

Group 1 - The core point of the news is that Changguang Huaxin's stock price increased by 5.12% to 130.33 CNY per share, with a trading volume of 1.379 billion CNY and a turnover rate of 6.20%, resulting in a total market capitalization of 22.975 billion CNY [1] - Changguang Huaxin specializes in the research, manufacturing, and sales of semiconductor laser chips, devices, and modules, with its main business revenue composition being: high-power single-tube series 76.98%, VCSEL and optical communication chips series 11.47%, high-power bar series 5.54%, others 5.05%, and waste sales 0.96% [1] Group 2 - Southern Fund's Southern CSI 1000 ETF (512100) is among the top ten circulating shareholders of Changguang Huaxin, having increased its holdings by 11,500 shares to a total of 966,200 shares, representing 0.91% of the circulating shares, with an estimated floating profit of approximately 6.1352 million CNY [2] - The Southern CSI 1000 ETF (512100) has a total asset size of 76.63 billion CNY and has achieved a year-to-date return of 8.02%, ranking 1352 out of 5520 in its category, and a one-year return of 49.62%, ranking 1555 out of 4203 [2] Group 3 - The fund manager of Southern CSI 1000 ETF (512100) is Cui Lei, who has a cumulative tenure of 7 years and 70 days, with the fund's total asset size at 122.76 billion CNY, achieving the best return of 234.52% and the worst return of -15.93% during his tenure [3] Group 4 - Southern Fund's Southern STAR Market Comprehensive ETF Link A (023731) holds Changguang Huaxin as its sixth-largest heavy stock, with 42 shares held and an estimated floating profit of approximately 266.7 CNY [4] - The Southern STAR Market Comprehensive ETF Link A (023731) has a total asset size of 97.6034 million CNY, with a year-to-date return of 9.75%, ranking 790 out of 5520 in its category, and a return of 51.78% since its inception [4] Group 5 - The fund managers of Southern STAR Market Comprehensive ETF Link A (023731) are Yang Kaining and Pan Shuiyang, with Yang having a cumulative tenure of 1 year and 72 days and a total asset size of 2.993 billion CNY, achieving the best return of 87.11% and the worst return of 1.25% during his tenure [5] - Pan Shuiyang has a cumulative tenure of 1 year and 314 days, with a total asset size of 7.828 billion CNY, achieving the best return of 123.34% and the worst return of -6.44% during his tenure [5]