国城矿业跌9.46%，龙虎榜上机构买入1118.72万元，卖出3799.89万元

Group 1 - The stock of Guocheng Mining fell by 9.46% today, with a turnover rate of 2.52% and a trading volume of 428 million yuan, showing a fluctuation of 14.54% [1] - Institutional investors net sold 26.81 million yuan, while the Shenzhen Stock Connect saw a net sell of 16.84 million yuan, with a total net buy from brokerage seats of 4.89 million yuan [1] - The stock was listed on the Shenzhen Stock Exchange due to a daily decline deviation of -10.04%, with institutional proprietary seats net selling 26.81 million yuan and the Shenzhen Stock Connect net selling 16.84 million yuan [1] Group 2 - The latest margin trading data shows that the stock's margin balance is 356 million yuan, with a financing balance of 355 million yuan and a securities lending balance of 1.25 million yuan [2] - Over the past five days, the financing balance increased by 25.62 million yuan, representing a growth of 7.78%, while the securities lending balance rose by 0.72 million yuan, with an increase of 135.77% [2]