Oil rose after Iran’s nuclear accord with world powers left the timing of increased crude supplies from the OPEC member uncertain and as Saudi Arabia raised prices for shipments to Asia. Futures climbed as much as 2.7 percent in New York. Physical oil markets won’t be affected by Iran before 2016 as the potential lifting of sanctions, which could allow the Persian Gulf nation to boost production, still faces obstacles, according to Morgan Stanley. Saudi Arabia, the world’s biggest crude exporter, narrowed the discount on its main Arab Light grade for next month’s sales to Asia. Oil has advanced the past three weeks amid speculation that Iran won’t be able to boost its crude exports immediately and add to a global supply glut that drove oil almost 50 percent lower in 2014. Global demand is improving, Saudi Arabia’s Oil Minister Ali al-Naimi said on March 23. “There isn’t going […]