• Smiths Group average return on investment for 2016-01-31 was 0, a 0% decline from 2016-07-31.
• Smiths Group average return on investment for 2016-07-31 was 0, a 0% decline from 2017-07-31.
• Smiths Group average return on investment for 2017-07-31 was 0, a 0% decline from 2018-01-31.

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.