It was a vivid “Turnaround Tuesday” for grain and soy markets after Monday’s dive to test recent lows and, in some case, set new record lows. It began rather gradually in the overnight session, which saw trading volume notably higher than average. Prices started out slightly lower to near unchanged and slowing moved above Monday’s closes. They were led by wheat, which ended the overnight session 3-4 cents higher. Corn and soybeans gained 0.5-1.5 cents. It is difficult to explain the unusually heavy overnight volume but only modest price changes. Things turned more interesting during the day session, again led by wheat. Enough buying interest was uncovered to move wheat prices up several cents and high enough to caus...