One ticket won the mega jackpot in the Dec. 24 drawing. Here's what we know about the lucky winner and where the winning ticket was sold.

An accrual rate is the interest percentage added to the principal of a financial product between payments. Learn how it applies to bonds, mortgages, and vacation time.

Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...