Confidential filing would lay groundwork for blockbuster IPO and provide a coup for faltering UK stock exchange

Power of Siberia 2 project would offer lifeline to exporter Gazprom as Moscow’s dependence on its neighbour grows

Oil cartel tries to placate members while conceding it has little room to increase production

Market Questions is the FT’s guide to the week ahead

Consolidation battle is forcing shrinking number of oil companies to look further afield for new prospects