Group 1 - The stock of LiuJin Technology (920021) experienced a significant decline of 13.95% with a turnover rate of 31.25% and a trading volume of 743 million yuan, indicating high volatility with an amplitude of 21.89% [1] - The stock was listed on the "Dragon and Tiger List" due to its high turnover rate, with a net selling amount of 50.1384 million yuan from brokerage seats [1] - The top five brokerage seats accounted for a total transaction amount of 191 million yuan, with a buying amount of 70.6721 million yuan and a selling amount of 121 million yuan, resulting in a net selling of 50.1384 million yuan [1][2] Group 2 - Over the past six months, the stock has appeared on the "Dragon and Tiger List" five times, with an average price increase of 2.33% the day after being listed and an average decline of 11.55% in the following five days [2] - The largest buying brokerage was Guosen Securities Co., Ltd. Shenzhen Internet Branch, with a buying amount of 30.4547 million yuan, while the largest selling brokerage was Changcheng Securities Co., Ltd. Northwest Branch, with a selling amount of 41.6721 million yuan [2]