RT Journal Article SR Electronic T1 Evidence on short–term trading strategies JF The Journal of Portfolio Management FD Institutional Investor Journals SP 20 OP 26 DO 10.3905/jpm.1990.409297 VO 17 IS 1 A1 Richard J. Sweeney YR 1990 UL https://pm-research.com/content/17/1/20.abstract AB