20CM hit the daily limit three consecutive days, Pinming Technology: If the stock trading continues with abnormal fluctuations, the company may apply for a trading halt for investigation according to relevant rules.

Bingming Technology releases a stock trading risk warning notice, stating that if the company's stock trading continues to have abnormal fluctuations, the following situations may occur: the company may be required to apply for a trading halt inspection according to relevant rules, the company's stock may be placed under close monitoring by the Shanghai Stock Exchange, and accounts of investors involved in abnormal trading may be temporarily suspended from trading.