TOP STORIES Archer Daniels Sees Pressure in Ethanol, Grain-Handling Unit Archer Daniels Midland Co.'s (ADM) chief executive said ethanol margins have declined in the current quarter, and profits in its grain-handling segment are running below the company's forecast. STORIES OF INTEREST Argentina Says It Will Clear Six Million Tons of 2012-13 Wheat Exports BUENOS AIRES--The Argentine government plans to allow six million metric tons of wheat exports from the crop being planted, the agriculture ministry said Tuesday. Appeal Court Upholds Ending Canadian Wheat Board's Marketing Monopoly WINNIPEG, Manitoba--The Federal Court of Appeal upheld the Canadian government's decision to end the Canadian Wheat Board's monopoly over grain marketing in western Canada, effectively overturning an appeal claiming the government broke the law by the move, a release from Agriculture and Agri-Food Canada said. Monsanto Files Patent-Infringement Suit vs. DuPont CHICAGO--Seed company Monsanto Co. (MON) filed a lawsuit against E.I. DuPont de Nemours & Co. (DD) and its Pioneer Hi-Bred International Inc. unit, alleging infringement of Monsanto patents in seed-development technology. THE MARKETS U.S. GRAIN AND SOY REVIEW: Soy Futures Jump on Dry Weather CHICAGO--U.S. soybean futures closed sharply higher Tuesday, jumping on worries about dry weather damaging crops while export demand remains strong. US LIVESTOCK REVIEW: Cattle, Hogs Mixed on Demand Concern CHICAGO--U.S. livestock futures finished mixed Tuesday as traders remained wary of summer meat demand even as a sharp rally in corn futures helped some futures and hurt others. Write to Owen Fletcher at owen.fletcher@dowjones.com.