Markets moved higher today, with larger volumes trading in corn and winter wheat. While fundamentals remain broadly unchanged currently, there were several factors influencing prices. Winterkill: An outsized winter storm, possibly including ice, is descending on the U.S. winter wheat crop. While the crop is dormant, it can still be damaged by ice or extreme cold if not insulated by snow cover. Parts of the Russian winter wheat crop are also at risk of winterkill.  Drought: Although conditions do not yet meet the technical definition of drought, an extended period of dryness is impacting crops developing in southern Brazil and southern Argentina. The Buenos Aires Grain Exchange has already lowered its quality assessment of Argentina&rsq...