The Dominance of U.S. Companies in Global Markets

Are global indexes as “global” as you think they are?

With the aim of tracking market performance around the world, these indexes incorporate securities from various regions. However, while the number of securities may be relatively well diversified across countries, a dollar perspective tells a different story. When market capitalization is taken into account, country weightings may become much more unbalanced.

Today’s visualization is based on a concept by S&P Dow Jones Indices that shows the percentage of U.S.-based companies in global sectors and industries as of December 31, 2019. The calculations reflect the market capitalization of companies in the S&P Global Broad Market Index (BMI), an index that tracks over 11,000 stocks across 50 developed and emerging economies.

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