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Mexico has enshrined in its constitution a ban on cultivating genetically modified corn, signed into law in March. The move follows a USMCA trade panel ruling in favor of the US that struck down parts of Mexico's 2023 decree restricting GM corn imports.
Cultivation ban keeps Mexico reliant on imported US corn for feed and food, supporting demand for US yellow corn while trade friction over biotech rules persists.
After 318 past bullish policy events, Corn moved a median -0.1% over 5 sessions (48% higher; middle half -1.4% to +1.5%), and -0.2% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.