三晖电气振幅21.54%，龙虎榜上机构买入2471.47万元，卖出1158.74万元

Group 1 - The stock of Sanhui Electric experienced a limit down, with a total turnover rate of 13.53% and a trading volume of 250 million yuan, showing a fluctuation of 21.54% throughout the day [1] - Institutional investors net bought 13.1273 million yuan, while the total net buying from brokerage seats amounted to 2.1460 million yuan [2] - The stock was listed on the Shenzhen Stock Exchange due to its daily fluctuation value reaching 21.54%, with institutional specialized seats contributing a net purchase of 13.1273 million yuan [2] Group 2 - The top five brokerage seats accounted for a total transaction volume of 89.016 million yuan, with a buying transaction amount of 52.1447 million yuan and a selling transaction amount of 36.8713 million yuan, resulting in a total net purchase of 15.2733 million yuan [2]