Investing Specialists

Great Diversifiers, 401(k) Oddities, and Vanguard's New Fund

Inspired by Harper's Index (with a tip of the hat to FiveThirtyEight's Significant Digits blog), Morningstar Runs the Numbers uses a numbers-based approach to highlight recent Morningstar research.

2.12% vs 1.82%
That's how much the median stable-value fund in Morningstar's database returned versus the median money market mutual fund during the past 12 months. Christine Benz takes a look at stable-value funds and other oddities that investors might find in their 401(k) plans. does not own shares in any of the securities mentioned above. Find out about Morningstar's editorial policies.