严重异常波动股票（25.8.19）

Group 1 - The article discusses the monitoring of stock trading activities that exhibit significant abnormal fluctuations, particularly focusing on large buy or sell orders within a one-minute timeframe after such fluctuations occur [1] - The exchange will closely monitor trading behaviors related to stocks that show severe abnormal volatility within ten trading days following the occurrence [1] Group 2 - A list of stocks under abnormal fluctuation monitoring is provided, including "Sino Medical," "Dongxin Co.," and "Great Wall Military Industry," with specific monitoring start and end dates [2] - The monitoring periods for "Sino Medical" are noted as starting on August 14, 2025, and ending on August 27, 2025, with abnormal activity beginning on August 7, 2025 [2] - Other stocks like "Dongxin Co." and "Great Wall Military Industry" also have specified monitoring dates, indicating a systematic approach to tracking unusual trading patterns [2]