美股小幅高開,道指漲0.26%,納指漲0.34%,標普500指數漲0.32%。美股區塊鏈概念股漲跌各異,柯達上漲0.84%,埃森哲上漲0.03%,overstock.com上漲10.85%;RiotBlockchain下跌5.74%,MarathonPatent下跌4.77%,Square上漲0.50%。