保变电气股价连续4天上涨累计涨幅13.72%，南方基金旗下1只基金持841.82万股，浮盈赚取1136.46万元

Group 1 - The core point of the news is that Baobian Electric has seen a stock price increase of 13.72% over the past four days, with a current price of 11.19 yuan per share and a market capitalization of 20.607 billion yuan [1] - Baobian Electric, established on September 28, 1999, and listed on February 28, 2001, specializes in manufacturing and selling power transmission and transformation equipment, including transformers, current transformers, and reactors [1] - The company's main business revenue composition is as follows: 99.30% from power transmission and transformation products, 0.42% from material sales, and 0.28% from other sources [1] Group 2 - Among the top ten circulating shareholders of Baobian Electric, a fund under Southern Fund holds a position, having reduced its holdings by 111,400 shares in the third quarter, now holding 8.4182 million shares, which is 0.46% of the circulating shares [2] - The Southern CSI 1000 ETF (512100) has achieved a year-to-date return of 25.76%, ranking 2009 out of 4197 in its category, and a one-year return of 22.91%, ranking 2194 out of 4157 [2] - The fund manager, Cui Lei, has been in charge for 7 years and 49 days, with a total fund asset size of 122.76 billion yuan and a best return of 195.8% during her tenure [2]