RT Journal Article SR Electronic T1 Firm Size, Stock Return Seasonality, and the Trading Pattern of Individual and Institutional Investors JF The Journal of Investing FD Institutional Investor Journals SP 75 OP 86 DO 10.3905/joi.1997.408426 VO 6 IS 3 A1 George Athanassakos YR 1997 UL https://pm-research.com/content/6/3/75.abstract AB