美股三大指數集體高開,道指漲0.30%,納指漲0.44%,標普500指數漲0.29%。美股區塊鏈概念股漲多跌少,柯達下跌0.12%,埃森哲上漲0.33%,overstock.com上漲0.68%;RiotBlockchain上漲8.36%,MarathonPatent上漲6.26%,Square上漲1.17%。