Wahl is a popular brand among hairdressers and barbers when it comes to hair clippers, but in the end, it’s all about what ...

Clay Halton was a Business Editor at Investopedia and has been working in the finance publishing field for more than five years. He also writes and edits personal finance content, with a focus on ...

Lisa Smith is a writer with a passion for financial journalism, contributing to popular media outlets like Investopedia and Bloomberg BNA. Economists and other market watchers look to major market ...

Pupil dilation provides a physiological readout of information gain during the brain's internal process of belief updating in the context of associative learning.

The Daily News Sentiment Index is a high frequency measure of economic sentiment based on lexical analysis of economics-related news articles. The index is described in Buckman, Shapiro, Sudhof, and ...