美股三大股指均小幅下跌,道指跌1.04%,納指得1.16%,標普500指數跌1.08%。美股區塊鏈概念股跌多漲少,柯達上漲15.38%,埃森哲下跌1.63%,overstock.com上漲0.36%;RiotBlockchain下跌8.49%,MarathonPatent下跌6.51%,Square下跌4.16%。