Oil prices jumped about 3% on Monday, with Brent oil prices surpassing $90 per barrel, as escalating US-Iran hostilities in the Middle East restricted oil shipments through the Strait of Hormuz. Brent crude futures climbed $2.77, or 3.14%, to $90.87 by 0612 GMT, touching the highest since June 11, extending gains after rising 15.9% last week, its biggest weekly gain since April. US West Texa