Happy New Year! I hope everyone’s 2026 is full of ernes and ATPs. Every year, we get a new version of the rulebook from USA Pickleball, which serves as the defacto guidelines for the sport globally.

We were getting used to it: a thrilling kickoff soars toward the receiving team, only for it to end in a touchback, resetting the play at the 25-yard line and cutting the action short. But the new NFL ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Eric's career includes extensive work in ...

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 ...