新股发行及今日交易提示：严重异常波动-20251023

Group 1: New Stock Offerings - The tender offer for Shangwei New Materials (688585) is open from September 29, 2025, to October 28, 2025[1] - Huajian Group (600629) announced significant updates on October 22, 2025[1] - ST Dongyi (002713) reported on October 22, 2025, regarding its stock status[1] Group 2: Stock Volatility Alerts - Dayou Energy (600403) experienced severe abnormal fluctuations, with updates on October 22 and 23, 2025[1] - Multiple companies, including Tianpu Co. (605255) and Guangming Real Estate (600708), reported abnormal trading activities on October 23, 2025[1] - ST Nanzhi (002305) and ST Aowei (002231) are under scrutiny for unusual market behavior as of October 23, 2025[1]