- 64% of individual stocks underperformed the market index over their lifetime, with 18.6% dramatically underperforming. In contrast, 6.1% of stocks dramatically outperformed the index.
- The average annualized return of individual stocks was negative 1.06%, while the median was a more modest 5.1%. However, 25% of stocks were responsible for all of the market's gains.
- The distribution of returns is characterized as "fat tailed", with a small number of stocks delivering outsized gains and losses, challenging the assumption of a normal distribution.