曙光数创龙虎榜数据（12月19日）

Group 1 - The stock of Shuguang Shuchuang (872808) increased by 29.38% with a trading volume of 7.67 billion yuan and a turnover rate of 6.36% [1][2] - The stock experienced a price fluctuation of 34.06% during the trading day [1][2] - Institutional investors net bought 14.99 million yuan, while brokerage seats collectively net sold 12.44 million yuan [2] Group 2 - The top five trading departments had a total transaction amount of 140 million yuan, with a buying transaction amount of 71.44 million yuan and a selling transaction amount of 68.89 million yuan, resulting in a net buying of 2.55 million yuan [2]