• MKS Instruments average return on investment for 2023 was -15.65, a 241.89% decline from 2022.
• MKS Instruments average return on investment for 2022 was 11.03, a 25.12% decline from 2021.
• MKS Instruments average return on investment for 2021 was 14.73, a 63.49% decline from 2020.

Roi - return on investment can be defined as an indicator of how profitable a company is relative to its assets invested by shareholders and long-term bond holders. Calculated by dividing a company's operating earnings by its long-term debt and shareholders equity.