General Comments When USDA reported that as of last Sunday 53 percent of the intended corn acreage had been planted, it provided a pretty clear signal to grain and soy market longs that cashing at least some of their gains would be a prudent move. So that is what they did. The selling began in the overnight e-session, and it continued during the day session, finally pressuring everything to lower closes. Everything except new crop soybeans, that is. They closed in robust fashion, comparatively speaking.Commercials report seeing a slight pickup in country marketing of nearby corn, but not enough to cool off the hot cash bids from exporters and ethanol producers. Even during down day the July/December corn inverse held above 90 cents.The p...