Wheat rose for a second day in Chicago on speculation dry weather may have hurt crops in France, Germany and the U.K., the largest European producers. Corn and soybeans gained amid planting delays in the U.S.
French wheat costs are near their highest in three years compared with U.S. grain and the premium is likely to rise as record food prices stoke demand from governments in North Africa seeking to end growing protests.
U.S. farmers, the biggest wheat shippers, are poised to lose their advantage over French growers in export markets after the worst Midwest drought in more than a decade wilted grain crops and drove prices to a 10-month high.
Pig prices in Germany jumped the most in three years as unseasonably warm weather prompted consumers to fire up barbecues at a time when the priciest U.S. hogs ever are boosting demand for European supplies.