Group 1 - The stock of Changfu Co., Ltd. (920396) increased by 5.65% today, with a turnover rate of 21.94% and a trading volume of 434 million yuan, showing a volatility of 13.37% [1] - The stock was listed on the trading board due to its turnover rate reaching 21.94%, with a net buying amount of 16.87 million yuan from brokerage seats [2] - In the past six months, the stock has appeared on the trading board seven times, with an average price increase of 0.56% the day after being listed and an average decline of 10.54% over the following five days [3] Group 2 - The top buying brokerage was Guosen Securities Co., Ltd. Shenzhen Internet Branch, with a buying amount of 14.47 million yuan, while the top selling brokerage was Dongfang Caifu Securities Co., Ltd. Lhasa Tuanjie Road Second Securities Brokerage, with a selling amount of 6.22 million yuan [2][3] - The trading data shows that the top five buying brokerages had a total transaction amount of 76.81 million yuan, with a buying amount of 46.84 million yuan and a selling amount of 29.97 million yuan, resulting in a net buying of 16.87 million yuan [2]