The adjusted r-squared is helpful for multiple regression and corrects for erroneous regression, giving you a more accurate ...

The S&P 500's highest daily close was on October 28, 2025 at 6,890.89. The index's highest monthly average of daily closes ...

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 ...

We set the shovel aside and put top snow blowers to the test. We were able to clear snow quicker and with less effort with ...

The Gordon model allows for the fact that the market might put a price on a stock that's different from what you might estimate using the equation above. A higher stock price than predicted implies a ...

Dana Miranda is a Certified Educator in Personal Finance, creator of the Healthy Rich newsletter and author of You Don't Need a Budget: Stop Worrying about Debt, Spend without Shame, and Manage Money ...

Learn practical HYPERLINK tips, from dynamic sheet links and navigation buttons to XLOOKUP row jumps and tidy anchor text for client reports.

Learn Paste Special math, Flash Fill patterns, Go To Special filters, and the F4 shortcut to clean data fast and share Excel ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Amy is an ACA and the CEO and founder of OnPoint ...

Tools like Excel and Google Sheets are ubiquitous these days, and learning how to use them more effectively will quickly ...

Producer surplus is a crucial economic concept that helps understand the difference between what producers are willing to sell their goods for and what they actually sell them for in the marketplace.