• Dell average return on investment for 2015-01-31 was 0, a 0% decline from 2015-04-30.
• Dell average return on investment for 2015-04-30 was 0, a 0% decline from 2015-07-31.
• Dell average return on investment for 2015-07-31 was 0, a 0% decline from 2015-10-31.

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.