TradingKey 每日市场简报：标普500指数回落，AI工具动摇传统金融股

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。

美东时间9月16日，美联储公布的最新利率决策声明指出，本次议息会议决定将联邦基金利率目标区间上调25个基点至3.75%~4.00%，这是自2023年7月以来的首次加息，决议以12票赞成、0票反对全票通过，同时保持银行体系充裕准备金的货币政策框架不变。