美股加密货币概念股盘前走强，Coinbase上涨2.4%

Group 1 - The core viewpoint of the article highlights the pre-market strength of cryptocurrency-related stocks in the US, indicating a positive market sentiment towards this sector [2] Group 2 - Coinbase saw an increase of 2.4% in pre-market trading [2] - Bitfarms experienced a rise of 3.9% in pre-market trading [2] - Strategy stocks were up by 2.1% in pre-market trading [2]