沪电股份触及跌停，成交额41.22亿元，封单879手。

Group 1 - The company Huadian Co., Ltd. hit the daily limit down, indicating significant selling pressure in the market [1] - The trading volume reached 4.122 billion yuan, reflecting high activity despite the price drop [1] - There were 879 buy orders at the limit price, suggesting strong interest from buyers even as the stock declined [1]