RT Journal Article SR Electronic T1 Cutting the Ticker Tape Umbilical Cord JF The Journal of Portfolio Management FD Institutional Investor Journals SP 61 OP 64 DO 10.3905/jpm.1976.408554 VO 2 IS 2 A1 Paul J. Johnson YR 1976 UL https://pm-research.com/content/2/2/61.abstract AB