中恒电气今日跌停，有3家机构专用席位净卖出1.11亿元

Group 1 - The stock of Zhongheng Electric experienced a limit down, with a trading volume of 1.282 billion yuan and a turnover rate of 7.57% [1] - After-hours trading data shows that the Shenzhen Stock Connect special seat bought 24.1644 million yuan and sold 120 million yuan [1] - One institutional special seat had a net purchase of 42.9355 million yuan, while three institutional special seats had a net sale of 111 million yuan [1]