Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...

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.

Tesla is one of the largest battery electric vehicle automakers in the world. In less than a decade, the firm went from a startup to a globally recognized luxury automaker with its Model S and Model X ...

APY APY stands for Annual Percentage Yield, which is the actual rate of return per year, including compound interest. The APY is typically the rate you'll see featured for the CD you're considering.