Corn futures closed lower on Wednesday, down 7-8 cents. Cash corn price at $3.91 1/4. EIA data showed increase in ethanol production. Census data revealed record corn exports for August. Export sales for October 2 expected to be 1.4-2.5 MMT. South Korea purchased 130,000-135,000 MT of corn. Speculators increased net short positions in corn futures.

Read more at Yahoo Finance: Corn Falls Back on Wednesday