With the plethora of fresh data that USDA's reports provide each January, the chances that they will contain something surprising is pretty high. When there are perceptions of tight supplies, as was the case this year, it is reasonable to assume that the degree of surprise will also be high. Evidence of this is the fact that each of the last five years' corn futures prices have traded up or down their permissible daily limit immediately following release of USDA's January production and WASDE reports. With today's corn market price action, make that six years in a row.This morning USDA released its final yield and production estimates for U.S. 2011/12 corn and soybeans, the quarterly stocks of grains and soybeans as of 1 December, the ini...