Correlation coefficients range from -1 to +1, indicating the strength of relationships between variables. Investors use correlation coefficients for portfolio diversification to reduce risk.

With the explosive adoption of software-as-a-service (SaaS) apps, the average company now has more than 100 SaaS apps to manage — leading to data being siloed across countless different systems. That ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J Catalano is a CFP and Registered ...