美东时间周二,美国三大股指集体收跌,标普500指数和纳指盘中创出历史新高后回落。截止收盘,道指跌107.39点,跌幅0.31%,报34888.79点;纳指跌55.59点,跌幅0.38%,报14677.65点;标普500指数跌15.42点,跌幅0.35%,报4369.21点。美股大型科技股涨跌不一,苹果涨0.79%,亚马逊跌1.11%,奈飞涨0.63%,谷歌涨0.29%,Facebook跌0.3%,微软涨1.32%。