Mosaic Stock (NYSE: MOS) Slides on Brazil Phosphate Curtailments, Belarus Potash Sanctions Shift, and a Saskatchewan Mine Incident
December 17, 2025 — The Mosaic Company (NYSE: MOS) is having one of those “three headlines collide at once” weeks: a sudden raw-material cost shock in Brazil, fresh geopolitical supply uncertainty in the potash market, and a serious safety incident at a key Canadian mine site. The stock is trading around $23.46, down about 5.6% from the previous close, after a sharp regular-session selloff and a softer after-hours tape. Benzinga Below is what’s driving today’s Mosaic stock move, what the latest analyst forecasts are implying, and what investors are watching next as fertilizer markets head toward 2026. Why Mosaic stock