New Stock Offerings - ST New潮 (600777) is in the offer period from April 23, 2025, to May 22, 2025[1] - 普利退 (300630) has its last trading day on May 21, 2025, during the delisting arrangement period[1] - 成飞集成 (002190) reported severe abnormal fluctuations[1] Trading Alerts - 12 stocks are flagged for abnormal trading activities, including ST立方 (300344) and 利君股份 (002651)[1] - 3 stocks, including *ST凌云B (900957), are under special treatment due to financial issues[1] - 5 stocks, such as 湖南天雁 (600698) and 曼卡龙 (300945), are highlighted for trading alerts on May 21, 2025[1] Market Trends - The report indicates a significant number of stocks experiencing abnormal volatility, suggesting potential market instability[2] - The ongoing delisting process for certain stocks may impact investor sentiment and market liquidity[1]