Shell is trading 3.47% higher at €44.75, tracking a broader energy-sector rally as oil rises on supply concerns. - Reuters reported oil prices rose on October 8 amid heightened concerns about Middle East supply and shipping attacks in the Gulf and Strait of Hormuz, alongside U.S. Gulf output curtailments ahead of Hurricane Isaias. - Shell also flagged a stronger third-quarter refining margin outlook, with an indicative margin of $42 per barrel versus $24 in Q2.