Stock markets set a curious record last year — Apple gained more in equity value than any other company in history. But rather than gawp at the rise, equity investors need to consider whether the size of the company, and that of its brethren among the top five in the US — Microsoft, Amazon, Facebook and Google’s parent Alphabet — presents a growing risk to portfolios.
去年股市创下了一个不寻常的纪录:苹果(Apple)股权价值的增幅超过了史上任何一家公司。但股票投资者不能光看着这一上涨,而需要考虑苹果以及与苹果同为美国前五大企业的其他几家企业的规模,是否对他们的投资组合构成越来越大的风险。(其他几家企业是微软(Microsoft)、亚马逊(Amazon)、Facebook以及谷歌(Google)母公司Alphabet。)
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