Soybean futures eased on Monday on forecasts for rain in dry areas of top exporter Brazil and Argentina and on rising United States supplies as clear Midwest weather boosted harvesting.

Keep close eye on upcoming stocks as of Dec. 31 Stat Can report, says analyst
CBOT net short position on soybeans more than doubled
Canola seen as 'fairly cheap' but not attracting interest
'Aggressive manipulation' seen as a factor