Chicago grains pare gains, mirroring crude oil | Reuters Exclusive news, data and analytics for financial market professionalsLearn more aboutRefinitiv A combine harvests wheat in Kremlin, Oklahoma, U.S., June 12, 2025. REUTERS/Nick Oxford Purchase Licensing Rights, opens new tab PARIS/BEIJING, April 30 (Reuters) - Chicago grain futures reversed course on Thursday, tracking a retreat in crude oil prices that earlier hit a four-year high. The strength of oil prices, which have risen because of unprecedented ...