By
Technical buying helped to support the market after prices for the benchmark December contract dipped below the 20-day moving average.
Traders also said that investment funds were actively covering short positions as expectations for a record US crop have already been dialed into the market.
CBOT corn futures have risen 2.4 percent during the four-day win streak, rebounding from a seven-year low hit after the US Agriculture Department forecast that the upcoming harvest would be the biggest ever.
Good crop weather across the US Midwest limited the buying in corn.