威士顿龙虎榜数据（12月31日）

Group 1 - The stock of Weston experienced a decline of 11.06% with a turnover rate of 47.85% and a trading volume of 1.236 billion yuan, showing a fluctuation of 9.01% throughout the day [1] - Institutional investors net bought 452,200 yuan, while brokerage seats collectively net sold 15.9815 million yuan [1] Group 2 - The stock was listed on the exchange due to a daily turnover rate of 47.85%, with institutional specialized seats net buying 452,200 yuan [2] - The top five buying and selling brokerage seats had a total transaction volume of 2.58 billion yuan, with buying transactions amounting to 121 million yuan and selling transactions totaling 137 million yuan, resulting in a net sell of 15.5293 million yuan [2]