by Al Pell 13:42PM Oct 20, 2011 Nate Smith of the Gulke Group said Corn firmed up Beans a good bit lower. The firmer bids for corn is the need now for product. Cash bids are driving it. Outside market pressure not allowing grain markets to rally as they could. PREV AgWeb Radio: Midday Commentary 10-20-11 NEXT Economists: Crop Input Prices to Surge in 2012 View the discussion thread.