Source: Capital Group, based on Morningstar data as of December 31, 2017. Funds include actively managed funds in the U.S. Large Growth, Large Blend and Large Value categories. Top-yielding funds were those funds whose distribution rates ranked in the top quartile. Other funds were all remaining funds.
Annualized standard deviation (based on monthly returns) is a common measure of absolute volatility that tells how returns over time have varied from the mean. A lower number signifies lower volatility.