According to an analysis by the International Center for Economic Analysis and Agricultural Market Studies (Ceema), referring to the period from September 26 to October 2, published this Thursday (3), corn prices recorded a slight decline in Chicago. The bushel closed on October 2 at US$ 4.21, down from US$ 4.25 the previous week. The average for September was US$ 4.13 per bushel, a result 7.8% higher than that of August.