Wheat prices jumped, buoyed in part by a weaker U.S. dollar, which surged to an 11-year high against the euro last week, helping to push prices for the grain to a 5-month low. The dollar slipped 0.1% on Monday against a basket of international currencies. Continued domestic demand for U.S. wheat helped lift prices, easing earlier concerns that buyers would reject recent deliveries of the crop that were lower in quality because of high levels of vomitoxin. The successful wheat deliveries were "as good a catalyst as any" noting that the recovery in wheat prices came after investors had built up a large bearish position" March wheat gained 8 1/2 cents, or 1.8%, to $4.94 1/4 a bushel.