Investing.com - U.S. corn futures fell for the third consecutive session on Wednesday, amid expectations of record yields across much of the U.S. grain belt.
On the Chicago Mercantile Exchange, U.S. corn for December delivery dipped 0.34%, or 1.2 cents, to trade at $3.6360 a bushel during U.S. morning hours.
A day earlier, corn prices fell 0.68%, or 2.4 cents, to settle at $3.6500.
Prices fell to a four-year low of $3.4800 a bushel on August 12 after the U.S. Department of Agriculture estimated the corn harvest at 14.03 billion bushels, which would break last year's record of 13.93 billion.
The agency also said it expected average corn yields of 167.4 bushels per acre, above an all-time high of 164.7 in 2009.
Meanwhile, U.S. soybeans for November delivery inched up 0.34%, or 3.52 cents, to trade at $10.3213 a bushel.
The November soy contract fell to $10.1960 a bushel on Tuesday, a level not seen since September 2010, as ongoing expectations for a record U.S. harvest weighed.
According to the USDA, this fall's U.S. harvest will reach an all-time high of 3.82 billion bushels.
Elsewhere on the CBOT, U.S. wheat for December delivery inched down 0.04%, or 0.23 cents, to trade at $5.5638 a bushel.
Prices of the grain tacked on 0.36%, or 2.0 cents, on Tuesday to end at $5.5640.
Corn is the biggest U.S. crop, followed by soybeans, government figures show. Wheat was fourth, behind hay.