锦欣生殖12月5日回购772.20万股，耗资1979.77万港元

Group 1 - The core point of the article is that Jinxin Reproductive Medicine announced a share buyback on December 5, purchasing 7.722 million shares at a price range of HKD 2.550 to HKD 2.580 per share, totaling HKD 19.7977 million [1][2] - The closing price of the stock on the same day was HKD 2.570, reflecting an increase of 2.80% [1] - The total trading volume for the day reached HKD 76.2472 million [1]