煤炭开采加工延续跌势，安泰集团、大有能源封板跌停

Group 1 - The coal mining and processing sector continues to experience a downward trend, with significant declines in stock prices for companies such as Antai Group and Dayou Energy, which both hit the daily limit down [1] - Yunmei Energy saw a drop of over 6%, while other companies like Shaanxi Black Cat, Zhengzhou Coal Electricity, and Baotailong also experienced declines [1]