After trading as high as $6.93 a bushel, the Minneapolis September spring wheat contract closed at $6.86, up 17 ¼ cents or almost 2.6 percent on the day.
Spring wheat rose after the USDA on Monday lowered the good to excellent rating of the crop to 40 percent.
That was down from 41 percent the week before and below traders’ expectations for 41 percent.
Canola, soybeans and corn all rose, but more modestly, on the U.S. crop conditions.
The USDA rated 67 percent of the U.S. corn crop in good to excellent c...