The South American soybean market is picking up with several trades completed this week. Certain conditions are affecting margins for trading houses, though. Meanwhile, the Argentine wheat harvest is making steady progress with crops developing well in the south, although farmers did have to address one problem. Soybeans The South American soybean market is showing some interesting movement despite higher CBOT prices. Last week a few Pacific Northwest (PNW) cargoes traded at $1.20F for December and $1.23F for January. These levels are competitive against Brazil and the U.S. Gulf (USG). In Brazil, a few first-half December FOB shipments were traded at $0.57-0.59F or a CNF price of $1.48-1.50F. A November/December straddle traded at this le...