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 ...
Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...
Jones/Riegel (JR) Counters – This newest version of the Jones Counter, officially referred to as the “Jones Counter model JR,” was designed by Tom and Pete Riegel due to unavailability of parts used ...