Friday Sector Laggards: Oil & Gas Refining & Marketing, Oil & Gas Exploration & Production Stocks

In trading on Friday, oil & gas refining & marketing shares were relative laggards, down on the day by about 2.2%. Helping drag down the group were shares of Calumet Specialty (CLMT), down about 7.5% and shares of Cosan (CZZ) off about 6.3% on the day.