The variety of fitness trackers means there is something for everyone. Some devices may be particularly useful for specific areas — for sleep tracking, for example, you can't beat an unobtrusive ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. The U.S. relies on GDP to measure economic ...

Julie Young is an experienced financial writer and editor. She specializes in financial analysis in capital planning and investment management. Gordon Scott has been an active investor and technical ...