Logistics are driving Argentina’s old crop corn market, and exporters are selling at negative margins. Meanwhile, new crop offers are increasing on a certain expectation. Elsewhere, the U.S. PNW is still crowding out South American soybeans, and Argentina’s local market prices are rising for several reasons.   Soybeans Brazil The soybean market remains very slow in Brazil with old crop stocks becoming very expensive against U.S. Gulf (USG) offers. USG levels have been dropping from $1.57-1.58X to $1.53X CNF China for November shipments. In the meantime, Brazil was offering $1.62X for the same period with the added problem that Brazilian quality is not expected to be very good, especially for the vessels coming from Rio...