四川
每經AI快訊，7月20日，美股大型科技股盤前漲跌互現，SK海力士、美光科技漲2%，SpaceX漲1%，英偉達漲0.5%，亞馬遜、谷歌A漲0.4%，微軟、特斯拉漲0.1%，蘋果持平，Meta跌0.1%。
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