Grain and soy prices firmed a bit overnight as trading volume improved from the low levels of the past two days. After trading resumed in the day session, however, corn and wheat were unable to sustain the modest overnight rally. General Comments Grain and soy prices firmed a bit overnight as trading volume improved from the low levels of the past two days. After trading resumed in the day session, however, corn and wheat were unable to sustain the modest overnight rally. Corn was down around 2-3 cents at the close with wheat finishing mostly .25-3 cents lower. Meanwhile, soybeans moved higher again to close up 6.5-7.75 cents with funds defending their long position by buying about 4,000 soybean contracts. We appear to have entered a peri...