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PowerShares Commodity Index (DBC) volatility flat at 21 Sep 22, 2010 09:19AM
PowerShares Commodity Index (DBC) volatility of 21 at 30-month lows Mar 24, 2010 08:14AM
PowerShares Commodity Index (DBC) volatility low at 26 Feb 11, 2010 08:32AM
PowerShares Commodity Index (DBC) volatility flat at 44 Apr 2, 2009 08:49AM