Group 1 - On January 14, a block trade of 719,000 shares of Betterray (920185) was executed on the trading platform, with a transaction amount of 23.727 million yuan and a transaction price of 33.00 yuan, reflecting a premium of 0.30% over the closing price of the day [2] - In the past month, Betterray has recorded a total of 2 block trades, with a cumulative transaction amount of 30.127 million yuan [2] - The closing price of Betterray on January 14 was 32.90 yuan, showing a decline of 1.44%, with a turnover rate of 1.41% and a total transaction volume of 522 million yuan, indicating a cumulative decline of 3.80% over the past five days [2] Group 2 - The buyer of the block trade was Huatai Securities Co., Ltd., Shenzhen Yitian Road Rongchao Business Center Securities Business Department, while the seller was Zhongtai Securities Co., Ltd., Beijing Chaowai Street Securities Business Department [2]