Brent oil falls below $100 a barrel
Brent crude oil prices fell below $100 a barrel for the first time in five months on Tuesday on expectations that Opec would leave formal output targets unchanged and as Hurricane Ike's threat to US Gulf of Mexico energy infrastructure receded.
Brent crude futures fell by more than a dollar to one-month lows below $114 a barrel on Tuesday, hit by worries over demand growth as a potential political vacuum in Italy revived fears over instability in the debt-plagued euro zone.