Market Update: Wrapping Up 2012

As we kick off the last month of the year, Jack talks about the fiscal cliff and volatility in the markets.

Debbie Carlson has focused on commodities for much of her writing career. She spent more than a decade at Dow Jones covering the Chicago-based futures exchanges. As a Dow Jones editor, she worked closely with The Wall Street Journal and Barron's in planning commodities coverage.

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