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 ...

Here's what you should know about income tax, what it is, how it works, how to calculate it and which states don't have it.

Fine-tune your W-4 to avoid writing a check next year Katharine Paljug is a financial writer and editor with over a decade of industry experience. Her writing has covered nearly every aspect of the ...