PT - JOURNAL ARTICLE AU - John Zbesko TI - Determinants of performance in the bull market AID - 10.3905/jpm.1989.409195 DP - 1989 Jan 31 TA - The Journal of Portfolio Management PG - 38--44 VI - 15 IP - 2 4099 - https://pm-research.com/content/15/2/38.short 4100 - https://pm-research.com/content/15/2/38.full