Oil prices rose on Monday as fading expectations of a U.S.-Iran peace breakthrough and slower tanker traffic through the Strait of Hormuz reinforced geopolitical risk concerns in the market.Brent crude futures rose as much as 1% to $89.40 per barrel and were last trading up 72 cents at $89.20 by 0229 GMT. The U.S. West Texas Intermediate crude futures rose 44 cents to $82.83 a barrel.Both contracts gained more than 5% last week following attacks on tankers operated by Abu Dhabi National Oil...