30 Dec, 2020 Yesterday, CBOT wheat, corn and soybean prices rose significantly. There was a major increase in Mar 21 Chicago soybean prices which puts them at a six-year high. In Paris, wheat, corn and rapeseed prices also went up. full access – Subscription 5 days - € 06 mos. - € 40 / mo.12 mos. - € 30 / mo. Registration / Subscription