Independent.ie | Oil has worst week in two years on supply concerns Independent.ie Oil prices slid more than 3pc on Friday as US futures fell below $60 a barrel for the first time since December on renewed concerns about rising crude supplies. US and Brent crude futures have slid more than 11pc from this year's peak in late January ... Oil prices reverse as tech and fund outlook weakens Oil funds remain bullish after crude's worst week in two years Oil Prices Fall Below $60 On Renewed Shale Threat |