603122，15天13板后连续2日跌停

Group 1 - The stock experienced a significant drop on the last Friday, closing at the daily limit down after a period of continuous gains, achieving 13 trading days with 15 limit up sessions [2] - The Shanghai Stock Exchange has implemented self-regulatory measures against 360 instances of abnormal trading behaviors, including price manipulation and false declarations, focusing on stocks with severe volatility such as Acorn China [2]