Corn prices ended the last week of September in decline in the main benchmark markets. In Campinas (SP), the sack was quoted at R$ 64.42, a 1.28% drop compared to the previous week, according to Cepea. Meanwhile, on B3, the current contract fell 1.33%, following international losses. On the CME-Group in Chicago, the corn quotation fell 0.28% for the week, closing the average at R$ 53.26/sc. The movement reflected investor caution in the face of the conditions of the crops in the USA and the prospects of a production cut with the advancement of the harvest.