Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

What is a hermit crab? There are over 800 species of hermit crabs worldwide, and almost all are ocean dwellers—though people are likely most familiar with the dozen semi-terrestrial species, called ...

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 ...

President Donald Trump puts on a medal as he receives the FIFA Peace Prize at the Kennedy Center in Washington, D.C., on Dec. 5, 2025. President Donald Trump puts on a medal as he receives the FIFA ...