RT Journal Article SR Electronic T1 Past price changes and current trading volume JF The Journal of Portfolio Management FD Institutional Investor Journals SP 18 OP 24 DO 10.3905/jpm.1989.409223 VO 15 IS 4 A1 Josef Lakonishok A1 Seymour Smidt YR 1989 UL https://pm-research.com/content/15/4/18.abstract AB