Published August 28, 2026 Updated about 2 hours ago By Reuters BENGALURU: Gulf stock markets closed mixed on Thursday while investors assessed renewed diplomatic efforts between the United States and Iran and progress in talks over the Strait of Hormuz. Qatar’s prime minister visited Tehran on Thursday in a bid to revive diplomacy after the United States and Iran exchanged recriminations over Washington’s plans to step up economic pressure on Tehran, a move an Iranian official described as “all-out economic war”. Dubai’s main index rose 0.3 percent, with most sectors ending in positive territory. Emirates NBD, Dubai’s largest lender, gained 1.2 percent, while toll-road operator…