大连重工涨停，机构龙虎榜上出现分歧

Group 1 - Dalian Heavy Industry experienced a trading halt with a daily increase limit, showing a turnover rate of 27.61% and a total transaction amount of 4.413 billion yuan, with a price fluctuation of 14.27% [2] - Institutional investors showed mixed signals, with a net sell of 162 million yuan from institutional seats, while the Shenzhen Stock Connect recorded a net buy of approximately 30.47 million yuan [2][3] - The top five trading departments accounted for a total transaction of 808.9 million yuan, with a net sell of approximately 65.76 million yuan [2] Group 2 - The latest margin trading data indicates a total margin balance of 404 million yuan, with a financing balance of 402 million yuan and a securities lending balance of 2.0192 million yuan [3] - Over the past five days, the financing balance increased by 183 million yuan, representing an increase of 83.56%, while the securities lending balance rose by 1.8795 million yuan, showing a significant increase of 1345.88% [3] - Specific trading details reveal that the top buying and selling departments included major institutional players, with significant buy and sell amounts recorded [4]