Our chartered financial advisers,Dr. Nancy Lottridge-Anderson, President of New Perspectives and Ryder Taff, portfolio manager at New Perspectives.demystify this diversification tool. 

https://www.investor.gov/introduction-investing/basics/investment-products/mutual-funds-and-exchange-traded-funds-etfs#Fraud

Ryder mentioned Morningstar as an information source https://www.morningstar.com/funds