The Chicago Stock Exchange's November 21 session saw a notable increase in soybean prices, rising by 4.2 euros, while wheat and oats prices experienced a slight decrease. Corn prices remained stable. The December and March wheat contracts fell by 1.3 and 1.1 euros per ton, respectively. Corn prices saw minimal change, with a slight increase for the December contracts. Oats prices showed a double situation, with an increase for the December contracts and a decrease for the March contracts. Soybeans were the session's high point, with a significant increase in the contracts closed for January and March.