USDA will release a series of reports at 11 a.m. this Friday, 11 January that could have a major impact on markets' directions. These reports -- which include the quarterly stocks as of 1 December, final corn and soybean production estimates, U.S. winter wheat planted acreage and U.S. and world supply and demand revisions -- have been discussed for at least the last two months.As we have stated several times, the most important of these reports will be the 1 December quarterly stocks numbers, which must reflect the final production estimates plus consumption. It is simple. What was in the bins on 1 December 2012 is what we have to work with for remainder of this marketing year.The corn quarterly stocks number is certainly the most importa...