Message : Required fields CHICAGO, March 15 (Reuters) - U.S. corn futures rose 1.9% to a one-week high on Monday, recovering from overnight weakness after a U.S. government report showed that export demand for the grain remained high. Soybean and wheat futures also were firm after trading in negative territory during the overnight session. A weekly U.S. Agriculture Department report showed corn export inspections of 2.204 million tonnes, up from 1.673 million tonnes in the prior week. That topped analysts' expectations, which ranged from 1.2 million to 1.9 million tonnes. "That probably is one of the catalysts that jump-started this thing," said Mark Schultz, chief market analyst at