Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

Find out how GDP can help measure the health of a country’s economy Michael Boyle is an experienced financial professional with more than 10 years working with financial planning, derivatives, ...

Bananas are rich in soluble fiber. During digestion, soluble fiber dissolves in liquid to form a gel. Unripe (green) bananas also contain resistant starch, a type of fiber that your body does not ...