蓝色光标龙虎榜数据（12月31日）

Group 1 - BlueFocus Technology experienced a trading halt with a daily increase of 20.00%, achieving a turnover rate of 29.54% and a total transaction amount of 11.165 billion yuan, with a price fluctuation of 19.01% [2] - Institutional investors net bought 34.7252 million yuan, while the Shenzhen Stock Connect recorded a net purchase of 144 million yuan, and the total net buying from brokerage seats reached 888.7 million yuan [2] - The top five brokerage seats accounted for a total transaction amount of 2.651 billion yuan, with a net buying of 1.066 billion yuan after a buying amount of 1.858 billion yuan and a selling amount of 793 million yuan [2] Group 2 - As of December 30, the margin trading balance for BlueFocus was 2.674 billion yuan, with a financing balance of 2.642 billion yuan and a securities lending balance of 31.9254 million yuan [3] - Over the past five days, the financing balance increased by 375 million yuan, representing a growth of 16.54%, while the securities lending balance rose by 6.289 million yuan, marking a 24.53% increase [3] - On December 31, the top buying brokerage seats included the Shenzhen Stock Connect with a buying amount of 444.1847 million yuan and selling amount of 301.0907 million yuan [4]