Discover how to accurately calculate beta in Excel, understand its importance in finance, and ensure consistency by choosing the correct time periods for data analysis.

The stock market may feel confusing, but it's important to understand the basics if you want to invest in stocks. Many, or all, of the products featured on this page are from our advertising partners ...

Marshall Hargrave is a stock analyst and writer with 10+ years of experience covering stocks and markets, as well as analyzing and valuing companies. Thomas J. Brock is a CFA and CPA with more than 20 ...