RT Journal Article SR Electronic T1 Stock return volatility during the Crash of 1987 JF The Journal of Portfolio Management FD Institutional Investor Journals SP 69 OP 71 DO 10.3905/jpm.1990.409250 VO 16 IS 2 A1 James L. Grant YR 1990 UL https://pm-research.com/content/16/2/69.abstract AB