CoinWorld News: Guofu Quantum (00290.HK) announced that during the period from May 9, 2025, to May 19, 2025 (including the first and last days), the group conducted a series of transactions in the open market, selling approximately 20 bitcoins for a total price of about 2.07 million USD (equivalent to about 16.1 million HKD) (excluding transaction costs).