Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Dr. JeFreda R. Brown is a financial ...

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 ...

While SIMPLE IRAs are in some ways similar to their cousins, traditional and Roth IRAs, they also share some features with workplace retirement plans such as 401(k)s. Understanding your plan's rules ...

Jennifer Simonson is a business journalist with a decade of experience covering entrepreneurship and small business. Drawing on her background as a founder of multiple startups, she writes for Forbes ...

Target validation is the process by which the predicted molecular target – for example protein or nucleic acid – of a small molecule is verified. Target validation can include: determining the ...