RT Journal Article SR Electronic T1 Profit potential in an “almost efficient” market JF The Journal of Portfolio Management FD Institutional Investor Journals SP 84 OP 87 DO 10.3905/jpm.1974.408485 VO 1 IS 1 A1 Keith P Ambachtsheer YR 1974 UL https://pm-research.com/content/1/1/84.abstract AB