Oil prices rose on Monday as tension over the disappearance of a prominent Saudi journalist stoked supply worries, although concerns over the long-term demand outlook dragged on sentiment. Brent crude oil jumped $1.49 a barrel to a high of $81.92 before slipping to $81.13, up 70 cents, by 0850 GMT. U.S. crude was last up 40 cents at $71.74. “Growing tensions over the disappearance of journalist Jamal Khashoggi at the Saudi consulate in Istanbul has proved supportive for oil prices,” said ING commodities strategist Warren Patterson. Saudi Arabia has been under pressure since Khashoggi, a critic of Riyadh and a U.S. resident, disappeared on Oct. 2 after visiting the Saudi consulate in Istanbul. U.S. President Donald Trump threatened “severe punishment” if it […]