We believe Archer Daniels Midland Co.'s (ADM's) earnings may be weaker in the remainder of 2012 because of a smaller U.S. corn and soybean harvest, and the effect that may have on the company's ethanol and grain handling businesses. The company may continue its share repurchases despite the possibility of soft earnings and higher priced grains. We are affirming our ratings on ADM, including the 'A' long-term and 'A-1' short-term corporate credit ratings. We are revising the outlook to negative from stable, reflecting the risk of lower earnings and weaker adjusted credit measures over the next year. NEW YORK (Standard&Poor's) Aug. 3, 2012--Standard&Poor's Ratings Services today affirmed its ratings on Decatur, Ill.-based food processing company Archer