A study by Charles Schwab & Co. recommends that investors own a mix of index and actively managed mutual funds for optimal cost and risk management.

The study, "Core and Explore: An Effective Strategy for Building Your Portfolio," was written in the Schwab Center for Investment Research, a division of the San Francisco brokerage.

Limited Time Offer

Save $400 off your subscription. Special offer ends April 30, 2017.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.