Dec. 14: Unusual Volume Leaders

What follows is a look at stocks in the S&P 500 displaying unusual volume on today's trading session.

Trading volume on Best Buy is up over 604 percent its 10-day average volume, after the company reported a dissapointing fiscal third quarter. Shares of Best Buy traded as low as $34.25 on Tuesday, down 17.9 percent from Monday's close.

>> 2011 Dogs of the Dow

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