Corn traded about 2 cents higher near midday Thursday after USDA reported larger –than-expected weekly export sales. The soybean and wheat sales were about as expected. 

The dollar was  higher and at a 13-1/2 year high after Fed Chairman Janet Yellen told a Congressional panel that U.S. economy is doing well. Traders of course seek clues in her comments as to how soon and how much the Federal Reserve will raise interest rates.

Bob Burgdorfer of Farm Futures reporting. Farm Futures is a sister publication of Feedstuffs.