Bei Jing Shang Bao·2025-12-31 07:53Group 1 - The A-share market closed in 2025 with the Shanghai Composite Index at 3968.84 points, marking an annual increase of 18.41% [1] - The top-performing stock of 2025 was Shangwei New Materials, achieving a remarkable increase of over 1800% [1] - The top ten stocks in terms of performance included Shangwei New Materials, Tiangpu Co., *ST Yushun, *ST Yazhen, Shenghong Technology, Feiwo Technology, Feiling'er, Dingtai High-tech, Hengbo Co., and Shunhao Co. [1] - Shangwei New Materials and Tiangpu Co. had cumulative increases of 1821.12% and 1662.49%, respectively, while *ST Yushun and *ST Yazhen saw increases of 719.38% and 636.7% [1] - The remaining top-performing stocks had annual cumulative increases ranging from 500% to 600% [1] Group 2 - The top ten underperforming stocks were dominated by "problem stocks," with the worst performer, Guangdao Tui, experiencing a cumulative decline of 94.18% [2]