As oil prices have tumbled , one question has reverberated around the market: what is Saudi Arabia up to? Little restraint has been shown by some energy market watchers in their commentary on the recent sell-off and the role played by Opec’s biggest producer. More On this story Editorial Good news from the lower price at the pump Comment Oil gush keeps prices low On this topic Sergei Guriev Russia and low oil prices Oil rallies sharply after near 4-year low How do oil producers balance their books? US crude price falls under $80 IN Commodities LME to run palladium and platinum ‘fixes’ US crude prices approach $80 China copper imports set to plunge Europe’s big comeback will shake up sugar The 25 per cent fall in the price of Brent crude since mid-June, to almost four-year lows, they say, is the result of a deliberate strategy by the […]