Oil prices jumped around 6 percent in Monday trading on uncertainty over peace talks between the US and Iran after violence flared around the Strait of Hormuz. Brent crude futures settled USD5.10, or 5.64 percent, higher to USD95.48 a barrel. US West Texas Intermediate advanced USD5.76, or 6.87 percent, at USD89.61. Both contracts had tumbled by 9% on Friday for their largest daily declines