联泓新科股价涨5.1%，南方基金旗下1只基金位居十大流通股东，持有590.95万股浮盈赚取638.22万元

Group 1 - The core viewpoint of the news is that Lianhong New Materials Technology Co., Ltd. has seen a stock price increase of 5.1%, reaching 22.27 yuan per share, with a total market capitalization of 29.743 billion yuan [1] - Lianhong specializes in the research, production, and sales of new material products, with its main business revenue composition being: polypropylene special materials (27.50%), ethylene-vinyl acetate copolymer (26.28%), by-products and others (19.95%), ethylene oxide derivatives (18.38%), ethylene oxide (4.48%), vinyl acetate (2.65%), special gases (0.49%), and ultra-high molecular weight polyethylene (0.27%) [1] Group 2 - From the perspective of Lianhong's top ten circulating shareholders, Southern Fund's Southern CSI 500 ETF (510500) reduced its holdings by 110,400 shares in the third quarter, now holding 5.9095 million shares, which is 0.44% of the circulating shares [2] - The Southern CSI 500 ETF has a current scale of 144.69 billion yuan, with a year-to-date return of 12.39% and a one-year return of 52.22% [2]