Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business executive. He is a professor of economics and has raised more than $4.5 billion in ...

Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Khadija ...

How Do I Know If I Have a Bone Fracture? Doctors can usually recognize most fractures by examining the injury and taking X-rays. Sometimes an X-ray will not show a fracture. This is especially common ...

Your why may not be what you think it is. by Jonathan Knowles, Tom Hunsaker, Hannah Grove and Alison James Today’s business leaders are under pressure to come up with a corporate purpose, much as they ...

What Is a Cortisol Test? A cortisol test measures the level of cortisol in your blood, urine or saliva. Cortisol is a hormone that's important throughout the body for maintaining blood pressure, blood ...