Corn: Like most of the Grains sector, the corn market was in the red to start the day, week, and month. The March issue (ZCH26) posted a 3.75-cent trading range, all of it unchanged or lower, on an uptick in trade volume of 26,000 contracts and was sitting 1.75 cents lower at this writing. A look back at last Friday and we see March closed 2.5 cents lower after dropping as much as 5.5 cents over the course of the session. Recall, though, the carry in both the March-May and May-July futures spreads weakened ...