严重异常波动股票（25.8.21）

Group 1 - The stock exchange has implemented monitoring measures for stocks that exhibit significant abnormal fluctuations in trading, particularly focusing on large buy or sell orders within a one-minute timeframe during continuous bidding phases [1] Group 2 - A list of stocks under abnormal fluctuation monitoring has been provided, including *ST Suwu, Sainuo Medical, and Dongxin Technology, with specific monitoring start and end dates [2]