美股三大股指小幅高開,道指漲0.11%,納指漲0.35%,標普500指數漲0.03%。美股區塊鏈概念股跌多漲少,柯達上漲2.33%,埃森哲下跌0.55%,overstock.com上漲0.21%;RiotBlockchain下跌15.71%,MarathonPatent下跌15.36%,Square下跌0.53%。