Yunnan Aluminium (SZ:000807) Xin Lang Cai Jing·2025-09-16 03:02Group 1 - The core viewpoint of the news is that Yun Aluminum Co., Ltd. experienced a decline in stock price, with a drop of 5.02% to 19.69 CNY per share, and a trading volume of 724 million CNY, resulting in a total market capitalization of 68.284 billion CNY [1] - Yun Aluminum's main business activities include bauxite mining, alumina production, aluminum smelting, aluminum processing, and production of carbon products for aluminum, with the revenue composition being 58.12% from electrolytic aluminum, 40.67% from aluminum processing products, and 1.21% from other sources [1] Group 2 - Among the top ten circulating shareholders of Yun Aluminum, Huatai-PB Fund's Huatai-PB CSI 300 ETF (510300) increased its holdings by 3.0994 million shares in the second quarter, bringing its total to 37.0204 million shares, which accounts for 1.07% of the circulating shares [2] - The Huatai-PB CSI 300 ETF has a total scale of 374.704 billion CNY and has achieved a year-to-date return of 17.68%, ranking 2896 out of 4222 in its category, while its one-year return is 46.7%, ranking 2280 out of 3804 [2]