PT - JOURNAL ARTICLE ED - Bruce, Brian R TI - Editor’s Letter AID - 10.3905/JOT.2009.4.4.001 DP - 2009 Sep 30 TA - The Journal of Trading PG - 1 VI - 4 IP - 4 4099 - https://pm-research.com/content/4/4/1.short 4100 - https://pm-research.com/content/4/4/1.full