美股三大指數集體高開,道指漲0.60%,納指漲0.86%,標普500指數漲0.75%。美股區塊鏈概念股漲多跌少,柯達下跌0.11%,埃森哲上漲0.98%,overstock.com下跌0.55%;RiotBlockchain上漲13.81%,MarathonPatent上漲22.31%,Square上漲1.19%。