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科技股权重过高？暴跌掩盖了标普500指数大部分成分股的反弹_手机新浪网

US Stock Market Outlook After 2022 End-of-Year Low

Published Jan 15 '23. Last edited Jan 22 '23

Fact

以苹果和微软为例，这两家公司的市值都在2万亿美元左右，在标普500指数中的权重加起来超过11%。这使得它们对该指数表现的影响力超过基准指数中所有的能源、材料和公用事业公司。因此，尽管美国航空集团今年上涨了34%，但其0.03%的权重对推动指数上涨作用不大。

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