Published October 2, 2026 Updated about 2 hours ago By Reuters DUBAI: Most Gulf bourses ended lower on Thursday, caught between rebounding regional oil flows and mixed diplomatic signals on the US-Iran conflict. Saudi Arabia’s benchmark index dropped 0.5 percent, weighed down by a 1.6 percent retreat in the country’s biggest lender by assets Saudi National Bank. However, oil giant Saudi Aramco gained 0.2 percent. Saudi Arabia has restarted its East-West Pipeline and resumed tanker loadings at the Red Sea port of Yanbu, trade data showed. The restart follows a shutdown caused by a drone strike last month and signals a…