46 firms accounted for half the wealth generated by the stock market over the past 100 years, according to research
Research by Hendrik Bessembinder from Arizona State University reveals that 46 firms accounted for half of the wealth generated by the stock market over the past 100 years. While the average return of nearly 30,000 stocks was over 30,000%, the median stock returned -6.9%. This highlights the concentration of market returns in a small number of companies.
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Topics: Investor strategy Market concentration Stock market performance Wealth creation