标普500指数有望自8月以来首次收于历史新高。以下是一些推动今日交易的因素：——人工智能概念再度升温：科技股今日领涨大盘，Vistra Energy Corp.（VST）和Constellation Energy Corp（CEG）等AI基础设施相关标的同样表现强劲。近几日，AI交易重获动能，推动主要指数向历史高点逼近，尽管全球债券抛售带来了不容忽视的风险。——债券收益率与油价双双回落：与此同时，对股市构成重大威胁的两大趋势——债券收益率攀升与油价上涨——正在缓和。布伦特原油期货下跌约2%，跌破每桶99美元。10年期美国国债收益率也从昨日的高位回落。——涨势的严重失衡开始令部分投资者感到不安；过去一个月，标普500指数中科技和通信板块涨幅居前，而其余八个板块中有七个下跌。Trade Nation高级市场分析师David Morrison在早间报告中写道：“显然，这并非健康牛市应有的景象。”
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