Reuters | Oil edges up but remains on back foot after output cut extension disappoints Reuters SINGAPORE Oil prices edged up on Friday but markets remained on the back foot after tumbling in the previous session when OPEC and allied producers extended output cuts but disappointed investors betting on longer or larger curbs. At Thursday's ... Oil prices extend declines in Asia after Opec deal Oil Spill: Oil Sells Heavy With A Lot More Downside Oil price tumbles after Opec deal; UK growth unexpectedly downgraded - as it happened |