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

In trading on Monday, oil & gas exploration & production shares were relative laggards, down on the day by about 6.1%. Helping drag down the group were shares of Laredo Petroleum (LPI), off about 13.4% and shares of Whiting Petroleum (WLL) down about 12.6% on the day.