S&P 500 is a stock market index that tracks 500 publicly trade | OlympTrade English
S&P 500 is a stock market index that tracks 500 publicly traded companies in the US. But what determines the core value of the index?
Recent data from Genuine Impact shows that a significant portion of the S&P 500’s total return is generated by just 20 companies. Many of them are in the IT sector, reflecting the profound impact of the rapid development of the AI industry.
These 20 companies make up only 29.17% of the weight of the S&P 500, but they produce as much as 7.08% of the index’s total 7.55% return.
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