中恒电气跌停，龙虎榜上机构买入1886.07万元，卖出1.31亿元

Core Viewpoint - Zhongheng Electric experienced a trading halt with a significant drop in stock price, indicating potential market concerns and investor sentiment shifts [1][2]. Trading Performance - The stock hit the daily limit down, with a turnover rate of 12.43% and a total trading volume of 1.975 billion yuan, reflecting high volatility with an amplitude of 12.65% [1]. - The stock was listed on the Dragon and Tiger list due to a daily price deviation of -7.28%, with institutional investors net selling 1.12 billion yuan and the Shenzhen Stock Connect net selling 10.68 million yuan [1]. Institutional Activity - On the trading day, the top five trading departments accounted for a total transaction of 628 million yuan, with a net sell of 164 million yuan [1]. - Two institutional special seats were involved, with a total buying amount of 18.86 million yuan and selling amount of 131 million yuan, resulting in a net sell of 112 million yuan [1]. Fund Flow - The stock saw a net outflow of 368 million yuan from major funds, with a significant outflow of 275 million yuan from large orders [2]. - Over the past five days, the stock had a net inflow of 211 million yuan in major funds [2]. Margin Trading - As of October 16, the margin trading balance for the stock was 739 million yuan, with a financing balance of 739 million yuan and a margin balance of 310 yuan [2]. - In the last five days, the financing balance increased by 95.22 million yuan, representing a growth of 14.80% [2].