Grain and soy prices weakened in active overnight trading. The theme of lower prices carried over into the day session, and long liquidation became more widespread although the volume of trade was not impressive. General Comments Grain and soy prices weakened in active overnight trading. Some traders were apparently caught off guard by the exceptionally high weekly crop condition ratings reported by USDA Monday afternoon. Some must have assumed that last week’s heat would have taken conditions down a bit. However, heat combined with moisture makes crops grow, and last week’s heat occurred while soil moisture levels were generally high. The high crop ratings and some scattered showers across the Midwest caused overnight selling pretty much...