加密货币概念股盘前走低，RIOT PLATFORMS跌3.6%，HUT 8跌3.9%，MARA跌3.7%

Group 1 - Cryptocurrency-related stocks experienced a decline in pre-market trading on August 25 [1] - Riot Platforms fell by 3.6% [1] - Hut 8 decreased by 3.9% [1] - Marathon Digital Holdings (MARA) dropped by 3.7% [1]