Grain markets traded lower as March Chicago Wheat futures set new contract lows and March Corn futures settled at the lowest level since late October. January soybean futures also declined, filling a technical gap on the chart. Weekly export inspections were mixed, with corn volumes reaching the upper end of expectations at 1.583 million metric tons, while soybeans missed the low end. Additionally, traders monitored South American weather as Brazil's planting reached 97% completion amid favorable conditions.