美股三大指数小幅高开,道指涨0.05%,标普500指数涨0.04%,纳指涨0.1%。加密货币概念股走强,MicroStrategy涨超8%,嘉楠科技、Riot Platforms涨超6%,Coinbase、Bit Digital涨逾4%。(证券时报)