• Quest Diagnostics average return on equity for 2023 was 12.84, a 40.8% decline from 2022.
• Quest Diagnostics average return on equity for 2022 was 21.69, a 31.56% decline from 2021.
• Quest Diagnostics average return on equity for 2021 was 31.69, a 84.35% decline from 2020.

Roe - return on equity can be defined as the amount of net income returned as a percentage of shareholders equity. Return on equity measures a corporation's profitability by revealing how much profit a company generates with the money shareholders have invested.