Crystal Palace midfielder Adam Wharton has been linked with a big-money move to Manchester United this summer. The 21-year-old has emerged as one of the most promising talents in his position since ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Marguerita is a Certified Financial Planner ...