David Harper is the CEO and founder of Bionic Turtle. He is also a published author with a popular YouTube channel on expert finance topics. Probability distributions help investors model uncertainty ...

Humans respond to environments that change at many different speeds. A video game player, for example, reacts to on-screen events unfolding within hundreds of milliseconds or over several seconds. A ...

Daniel McNulty began writing for Investopedia in 2012. His work includes articles on financial analysis, asset allocation, and trading strategies. Marguerita is a Certified Financial Planner (CFP), ...