Corn, soybeans, cotton, and wheat were down since Friday, December 18. December was a rough month for corn, soybeans, and wheat with the March, January, and March futures contracts, for corn, soybeans, and wheat, finishing down 13 ½, 9 ¾, and 4 cents, respectively, from where they opened the month. Cotton was the lone commodity, out of four, that had a positive month, as March cotton increased a modest 0.54 cents in December. This December was perhaps a fitting close to an underwhelming commodity price environment for many producers in 2015. Continue reading at Tennessee Market Highlights.