Crops and stocks lead this edition of Futures File, our weekly commodities wrap-up. Corn can't pop Corn prices continued lower last week, dropping underneath $3.50 per bushel for the first time this year after the U.S. Department of Agriculture showed improving corn crop quality on Monday. The USDA was already projecting an ample 14.2 billion bushel crop, and improving quality could boost the crop size to the second-largest ever.Read more on NewsOK.com