Following the wheat prices, the last trading day of the past week for corn prices on the Matif ended in the black. The bulls on the CBoT also took the lead and ensured moderate price gains. In addition to the rising crude oil futures and the plans for the soybean complex, the possible yield damage to corn stocks in Argentina is creating a buying mood. USDA experts expect the corn harvest to total 51 million tons, around 3 million tons less than the previous forecast.