Corn prices fell to a six-day low on Tuesday in U.S. trading as investors look ahead to Thursday's supply and demand report from the Department of Agriculture.

May-dated corn futures finished the session at $3.962 per bushel, down 9.2 cents for the day.

The S&D Report is scheduled for release at 8:30 a.m. ET on Thursday. Last month, corn carryover was 1.74 billion bushels. A year ago, carryover was 1.624 billion bushels.

In other agriculture trading, soybeans fell 4.4 cents to $9.894 per bushel, wheat dropped 17.2 cents to $5.396 and cotton added 0.05 cent to 47.08 cents a pound.

Traders looked ahead to some key economic data later in the week. Wednesday will bring wholesale trade data while import and export prices will be announced on Thursday.

The dollar rallied against the euro and sterling amid some worries about earnings season, which pushed traders toward the lower-yielding currency. The buck eased versus the yen.

In other commodity trading, light sweet crude for May delivery fell to $49.15 a barrel, down $1.90. Prices dropped as low as $48.89 earlier in the session.

Gold for June delivery finished at $883.30 an ounce, a gain of $10.50 for the session. It was the first gain in four sessions for the precious metal.

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