RT Journal Article SR Electronic T1 How Diversified are Stock Mutual Funds? JF The Journal of Investing FD Institutional Investor Journals SP 66 OP 68 DO 10.3905/joi.5.1.66 VO 5 IS 1 A1 Walton R.L. Taylor A1 James A. Yoder YR 1996 UL https://pm-research.com/content/5/1/66.abstract AB