General Comments The overnight session for grain and soy futures began with some follow through strength, but prices turned and drifted lower as additional precipitation was forecast for Argentina this week.  In true weather market fashion, prospects for Argentine rain pressed corn prices despite some favorable signals from the outside, particularly from equity markets.  Yesterday's favorable 4th quarter GDP results from China have given a boost to Asian financial markets.  The hope is that now China will ease back bank reserve requirements and interest rates in the next few weeks.  Asian stock markets rallied today.The frontal system passing northward through Argentina has slowed which is raising the rain potential...