Oil Stocks Biggest Losers

Oil Stocks Biggest Losers

Alexander Zemlianichenko Jr./Bloomberg

A gas flare burns at the central processing plant for oil and gas in the Salym oilfields, operated by Salym Petroleum Development NV, near Surgut, Russia, May 17, 2012. The Salym fields in western Siberia are operated jointly with Royal Dutch Shell Plc.