良信股份股价涨5.17%，国泰基金旗下1只基金位居十大流通股东，持有2250.98万股浮盈赚取1283.06万元

Group 1 - The core viewpoint of the news is that Shanghai Liangxin Electric Co., Ltd. has seen a stock price increase of 5.17%, reaching 11.60 yuan per share, with a total market capitalization of 13.028 billion yuan [1] - The company's main business involves the research, production, and sales of low-voltage electrical products, with revenue composition as follows: distribution electrical appliances 63.82%, terminal electrical appliances 20.57%, control electrical appliances 12.55%, smart electrical products 2.42%, and others 0.65% [1] Group 2 - Guotai Fund's Guotai Valuation Advantage Mixed Fund (LOF) A (160212) has increased its holdings in Liangxin shares by 1.0769 million shares, totaling 22.5098 million shares, which represents 2.46% of the circulating shares [2] - The fund has achieved a year-to-date return of 12.53% and a one-year return of 52.45%, ranking 822 out of 8994 and 1392 out of 8199 respectively [2] - The fund manager, Wang Zhaoxiang, has a tenure of 3 years and 250 days, with the best fund return during this period being 55.79% [2] Group 3 - In the fourth quarter, Guotai Valuation Advantage Mixed Fund (LOF) A (160212) reduced its holdings by 246,500 shares, now holding 22.2633 million shares, which accounts for 8.91% of the fund's net value [3] - The fund has an estimated floating profit of approximately 12.6901 million yuan from its investment in Liangxin shares [3]