| For decades the physical oil market has been the unregulated preserve of a few powerful companies. But in the wake of the Libor scandal, it is subject to intense scrutiny.
Energy companies including BP, Royal Dutch Shell and Statoil, the majors raided by the European Commission on Tuesday in a probe into possible price rigging, have long dominated the trade. A handful of large commodity trading houses, hedge funds and investment banks are the other big participants...........................................Full Article: Source
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