美股加密货币概念股盘前走低，Coinbase下跌1.5%

Group 1 - The core viewpoint of the article indicates that cryptocurrency-related stocks in the U.S. market are experiencing a decline in pre-market trading, with notable drops in major companies [2] Group 2 - Coinbase shares fell by 1.5% in pre-market trading [2] - Bitfarms shares decreased by 2.5% [2] - Strategy saw a decline of 2.6% [2]