彩虹股份股价连续3天上涨累计涨幅6.04%，南方基金旗下1只基金持2084.28万股，浮盈赚取812.87万元

Group 1 - The core viewpoint of the news is that Rainbow Co., Ltd. has seen a continuous increase in its stock price, with a 6.04% rise over three days, reaching a price of 6.85 CNY per share and a market capitalization of 24.58 billion CNY [1] - Rainbow Co., Ltd. specializes in the research, production, and sales of glass substrates and display panels, with its main revenue sources being liquid crystal panels (87.23%), glass substrates (11.39%), and other minor income streams [1] - The company is located in Xi'an, Shaanxi Province, and was established on July 29, 1992, with its stock listed on May 20, 1996 [1] Group 2 - Among the top ten circulating shareholders of Rainbow Co., Ltd., a fund under Southern Fund holds a significant position, having reduced its holdings by 424,300 shares in the third quarter, now owning 20.84 million shares, which is 0.58% of the circulating shares [2] - The Southern CSI 500 ETF has generated a floating profit of approximately 1.25 million CNY today and a total of 8.13 million CNY during the three-day price increase [2] - The Southern CSI 500 ETF, managed by Luo Wenjie, has a total asset scale of 171.36 billion CNY, with a performance ranking of 482 out of 5,566 in the year-to-date returns [3]