【美股区块链概念股涨跌各异】柯达(KODK)收涨1.98%,Accenture(ACN)收跌0.96%,Overstock.com(OSTK)收涨8.21%,Riot Blockchain(RIOT)收涨3.39%,Marathon Patent(MARA)收涨5.11%,Square(SQ)收跌0.82%,Seven Stars Cloud(SSC)收平。