美股三大指數集體高開,道指漲0.79%,納指漲1.04%,標普500指數漲0.84%。美股區塊鏈概念股漲多跌少,柯達下跌3.49%,埃森哲上漲1.11%,overstock.com上漲1.26%;RiotBlockchain上漲1.96%,MarathonPatent上漲0.77%,Square上漲3.24%。