Oil surged to a seven-month high on escalating US-Iran tensions, while Wall Street slipped as tech stocks tumbled. LONDON: Crude oil prices jumped Friday (Feb 27) as worries about a possible US attack on Iran rose while Wall Street stocks slid as tech stocks suffered. Crude prices jumped more than three per cent at one point as optimism faded following Thursday talks between the two nations that were seen as a last-ditch bid to avert war. "With the US having called on its citizens to leave