Investing is striking a precarious equilibrium between reward and risk, particularly for those with a low risk tolerance.

Downside risk refers to the potential for an investment to decrease in value. Unlike general risk, which considers both upward and downward price movements, downside risk focuses solely on the ...

The Sharpe ratio is one way to capture this risk-versus-reward detail and give investors ... but ARKK shed over 60% of its value relatively soon after recording that ratio. The fund achieved ...