Overnight trading volume in grain and soy markets was substantially less than during the Sunday/Monday overnight session. There was very little effort to push prices up or down, and any changes were thus limited. This began to change after trading resumed following the morning recess. Meteorologists are now unanimous in declaring the existence of a La Nina event that will likely hang around until at least early spring. However, typical related weather conditions (heavy rain over north and central Brazil, dryness over southern Brazil and Argentina, and dryness for the U.S. southern Plains) have been around for several weeks. Noncommercial funds have been modestly long soybeans and soy products for quite some time. The relatively small sizes...