FinanceReopening of Shanghai, rumours of deal on EU ban of Russian oil sends spot prices up sharplyFears of tightening supply outweighs reports of Opec production hike, record production levels in Permian basinRecovering: News of a reopening of Shanghai helped send Brent and West Texas Intermediate crude spot prices up sharply MondayPhoto: LNG 19Mark PasswatersReutersHouston