Group 1 - The stock of Meideng Technology (920227) experienced a significant decline of 23.12% in a single trading day, with a turnover rate of 29.17% and a total transaction value of 498 million yuan, indicating high volatility with an amplitude of 24.15% [1] - Institutional investors net sold 23.64 million yuan worth of shares, while brokerage seats collectively net bought 33.49 million yuan [1][2] - The stock has been listed on the "Dragon and Tiger List" seven times in the past six months, with an average price drop of 1.50% the day after being listed and an average decline of 7.48% over the following five days [3] Group 2 - The top five brokerage seats on the "Dragon and Tiger List" had a total transaction value of 157 million yuan, with a net buying amount of 9.85 million yuan [2] - Specific brokerage activities included significant buying from Guosen Securities and Huafu Securities, while institutional specialized seats were among the top sellers [3]
美登科技龙虎榜数据（1月15日）