中新经纬8月20日电美股三大指数止跌回升，截至收盘，道指涨0.22%，纳指涨0.16%，标普500指数涨0.21%。美国消费者新闻与商业频道(CNBC)称，美国财政部宣布将增加长期债券回购操作，美国国债收益率下跌，美股结束连续三连跌。 存储概念股盘中走弱，希捷科技跌超7%，西部数据跌近7%，闪迪跌超3%，SK海力士涨幅收窄至0.35%。 芯片股多数下跌，费城半导体指数跌2.12%，拉姆研究、...
Source Link中新经纬8月20日电美股三大指数止跌回升，截至收盘，道指涨0.22%，纳指涨0.16%，标普500指数涨0.21%。美国消费者新闻与商业频道(CNBC)称，美国财政部宣布将增加长期债券回购操作，美国国债收益率下跌，美股结束连续三连跌。 存储概念股盘中走弱，希捷科技跌超7%，西部数据跌近7%，闪迪跌超3%，SK海力士涨幅收窄至0.35%。 芯片股多数下跌，费城半导体指数跌2.12%，拉姆研究、...
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