Brent crude futures jumped $3.16, or 2.81 per cent, to $115.73 a barrel by 2205 GMT after settling 4.2 per cent higher on FridayBrent crude futures jumped $3.16, or 2.81 per cent, to $115.73 a barrel by 2205 GMT after settling 4.2 per cent higher on Friday Latest News [ SOBAN NEWS: International and National ]