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 ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Marguerita is a Certified Financial Planner (CFP), Chartered Retirement Planning Counselor ...

Morningstar’s Investment Management group has a rich history of groundbreaking investment research, having won 11 awards from the CFA Institute Financial Analysts Journal. Our collaboration with ...

Demyelination is damage to myelin, the fatty coating that protects nerves and speeds signals. When myelin breaks down, nerve messages slow and axons can deteriorate. Symptoms depend on where myelin is ...