拉姆研究(LRCX)股票9月18日开盘上涨4.12%：原因全解读

TradingKey - 美东时间周五（9月18日），美股三大股指期货盘前涨跌不一。国际油价回落缓解通胀压力，美联储加息进一步巩固政策信誉，加上中东紧张局势边际降温，市场风险偏好明显改善。英伟达释放乐观业绩展望，也带动科技及芯片相关板块反弹。

TradingKey - 截至9月18日亚市时段，WTI油价大幅低开，盘中WTI原油（USOIL）价格一度下跌近5%至最低96.2美元，重新跌破100美元关口，近三个交易日累计跌幅扩大至约8.4%。布伦特原油（UKOIL）同样承压，一度跌至103美元附近。

TradingKey - 美东时间9月17日，美股三大指数集体反弹，结束此前连续三个交易日下跌。国际油价连续第二日回落，美国10年期国债收益率重新跌破5%，缓解了近期能源价格与长期利率同步上涨对美股估值的压力。与此同时，美国初请失业金人数降至19.6万人，显示就业市场仍保持韧性。科技股和半导体股领涨，其中Nasdaq涨幅接近1.7%。

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美联储加息落地，美债收益率和油价下跌，均支撑市场交投情绪。美国股市上涨，科技股、记忆体股等AI相关股票涨幅居前。截至收盘，道琼斯指数涨0.61%，报51778.04点；纳斯达克综合指数涨1.69%，报26418.30点；标普500指数涨1.14%，报7637.76点。