美股三大指数集体高开，道指涨0.30%，纳指涨0.44%，标普500指数涨0.29%。美股区块链概念股涨多跌少，柯达下跌0.12%，埃森哲上涨0.33%，overstock.com上涨0.68%；RiotBlockchain上涨8.36%，MarathonPatent上涨6.26%，Square上涨1.17%。