WPI provides a summary of the week's futures price activity and the gains/losses experiences by grain, oilseed, and livestock markets. Additionally, today's data from the CFTC points to changing views among managed money funds. Meanwhile, commercial traders' positions are changing, which may offset some of the effects from non-commercial traders' activity. There will be no Ag Perspectives report on Monday, 27 May in observance of the Memorial Day holiday in the United States. We will resume our normal report schedule on Tuesday...