美股微幅高開,道指漲0.08%,標普500指數漲0.12%,納指漲0.05%。美股區塊鏈概念股漲多跌少,柯達下跌0.33%,埃森哲上漲0.03%,overstock.com上漲1.23%;RiotBlockchain上漲3.90%,MarathonPatent上漲1.48%,Square上漲4.05%。