3月9日 - ** 一些公司的股票在盘前上涨，因为它们将被纳入标普500指数.SPX
** 电信服务公司EchoStar SATS.O上涨1.4%，数据中心设备制造商Vertiv Holdings VRT.N上涨3.4%。
** 光电产品制造商：Lumentum Holdings LITE.O上涨 2.2%，Coherent COHR.N在盘前上涨 3.2%后小幅下跌。
** 所有这些公司都将在 3 月 23 日市场开盘前加入标普500指数。
** 截至上次收盘，SATS 累计下跌 2.3% （年初至今），VRT 累计上涨近 50%，LITE 累计上涨 51.5%，COHR 累计上涨 27.7%。
(为便利非英文母语者，路透将其报导自动化翻译为数种其他语言。由于自动化翻译可能有误，或未能包含所需语境，路透不保证自动化翻译文本的准确性，仅是为了便利读者而提供自动化翻译。对于因为使用自动化翻译功能而造成的任何损害或损失，路透不承担任何责任。)
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