Oil slips towards $74 per barrel
US oil prices slipped towards $74 per barrel on Monday as the end of the US driving season and high levels of unemployment in the world's biggest oil consumer raised concerns over the outlook for demand.
Oil slipped below $83 a barrel on Thursday, pulling back from a 15-month high a day earlier, as signs of tighter monetary policy in China sparked concerns about demand in the engine room of commodity consumption growth.