• Heidelberg Materials AG average return on investment for 2018 was 4.08, a 25.93% increase from 2017.
• Heidelberg Materials AG average return on investment for 2017 was 3.24, a 1.22% increase from 2016.
• Heidelberg Materials AG average return on investment for 2016 was 3.28, a 7.54% decline from 2015.

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.