PT - JOURNAL ARTICLE ED - Bruce, Brian R TI - Editor's Letter AID - 10.3905/jot.2009.4.2.001 DP - 2009 Mar 31 TA - The Journal of Trading PG - 1--1 VI - 4 IP - 2 4099 - https://pm-research.com/content/4/2/1.short 4100 - https://pm-research.com/content/4/2/1.full