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 ...

People are bad at passwords. Most don’t bother with the unique, complex phrases or character strings that make a good password. Worse, they share weak passwords with others. The best password managers ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Skylar Clarine is a fact-checker and expert ...

Aim to replace 80% of your pre-retirement income to maintain lifestyle post-retirement. Factor in income from Social Security and pensions, not just savings, for retirement funds. Use the 4% rule to ...