Group 1 - The core point of the article is that Dana Biological (920009) experienced a decline of 4.03% in its stock price, with a trading volume turnover rate of 20.81% and a total transaction amount of 131 million yuan on the day of reporting [1] - Institutional investors net sold 2.5005 million yuan, while the total net selling by brokerage seats amounted to 3.0872 million yuan [1] - The stock has been listed on the "Dragon and Tiger List" 12 times in the past six months, with an average price drop of 0.78% the day after being listed and an average decline of 1.96% over the following five days [2] Group 2 - The top five brokerage seats on the "Dragon and Tiger List" had a total transaction amount of 27.9967 million yuan, with buying transactions amounting to 11.2045 million yuan and selling transactions totaling 16.7922 million yuan, resulting in a net selling of 5.5877 million yuan [2] - Specific trading details show that the top buying brokerage seat was Dongfang Caifu Securities, with a buying amount of 2.5176 million yuan and a selling amount of 0.8783 million yuan [2] - The third selling seat was an institutional special seat, which bought 457,300 yuan and sold 2.9578 million yuan, resulting in a net selling of 2.5005 million yuan [2]
丹娜生物11月26日龙虎榜数据