Corn Rises to 16-Week High as Livestock Shiver, Eat More

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Corn futures rose to a 16-week high on speculation that frigid U.S. weather will prompt ranchers to use more grain in livestock feed. Wheat jumped the most since April as the winter blast threatens crops.

An arctic air mass will bring temperatures as much as 40 degrees below normal in the northern and central U.S. this week, according to the National Weather Service. Animals will need to use more energy to stay warm in cold weather, prompting ranchers to increase feed rations.