【美股三大股指集体高开，Riot Platforms涨6.87%】金色财经报道，1月21日，美股开盘，道指开涨0.36%，标普500指数涨0.47%，纳指涨0.53%。特朗普宣誓就职次日，特朗普媒体科技集团 (DJT.O) 开跌 6.58%，特斯拉 (TSLA.O) 涨 0.72%。加密货币概念股方面，Coinbase 涨 1.79%，MicroStrategy 跌 0.53%，Riot Platforms 涨 6.87%。
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