Return on investment (ROI) measures overall investment success; operating income ROI focuses on core business performance. Calculate operating income ROI by dividing operating income by total ...

Calculating profit as a percentage of revenue ... 26, 2015, Apple generated an operating income of $71.2 billion. During the trailing 12 months to Sept. 30, 2015, Fitbit generated an operating ...

Warren Buffett's Berkshire Hathaway on Saturday reported a lower operating profit in the first quarter, hurt by weaker ...

Warren Buffett's Berkshire Hathaway on Saturday reported a lower operating profit in the first quarter, hurt by weaker ...