 Here are Monday's closing market prices from Commodity by Bar Chart. September corn was down half a penny at $4.07. December down a quarter of a penny, $4.20 and a half. March unchanged, $4.34 and three quarters. In the soybeans, August up $12.50, $11.46. September up $7.50, $11.07 and a half. And November up $7.00, $11.11.