Wheat is rising for a fourth day, climbing to its highest level in more than two months, on lingering concern that Argentina's crop will be impacted by unfavorable weather.
The price of wheat for December delivery advanced 7.75 cents, or 1.2 percent, to $6.78, the highest price since July 12.
"We are seeing some continued issues of dryness in Argentina," said Sterling Smith, a commodities analyst at Citigroup. "If the dryness persists, we may be starting a degree of a sustainable wheat rally."
In other trading of agricultural products. Corn also rose, while soybeans edged lower.
December corn rose 20 cents, or 0.4 percent, to $4.57 a bushel. November soybeans fell 5 cents, or 0.4 percent, to $13.17.
Most metals fell.
Gold for December fell $12.10, or 0.9 percent, to $1,324.10 an ounce. Silver for the same month dropped 12 cents, or 0.5 percent, to $21.77 an ounce. Platinum for October dropped $18.10, or 1.3 percent, to $1,410.70. Palladium for the same month fell $2.25, or 0.3 percent, to $723.45 an ounce.
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