Concerns have been mounting that Argentina could completely lose market share in wheat this season and may need to reduce prices by at least $20-30/MT in order to compete. Soybeans: Good Movement in South America There was some good trading volume of soybeans in South America this week despite the heavy rains in Matto Grosso. This rainy weather at the end of the month is starting to delay shipments and raising some concerns for exporters. Nevertheless, Monday was an active shipping day in Brazil. The Chinese purchased about eight cargoes. Although crush margin remains negative, it seems that risk of a smaller Brazilian crop (some estimate around 85 MMT) has attracted the attention of buyers. Cargoes traded at +185SN for June shipment CNF...