A top energy watchdog Tuesday warned that oil markets would likely remain oversupplied next year, as oil demand growth slows down amid an expected return of Iranian oil. The assessment by the International Energy Agency–which represents some of the world’s largest oil consumers–is somewhat less upbeat than the Organization of the Petroleum Exporting Countries which Monday said oil markets would start to rebalance themselves next year amid declining U.S. production. In its closely watched monthly oil market report, the IEA cut its forecast for oil demand growth for next year by about 200,000 barrels a day compared with its previous assessment in September. It now sees world oil consumption rising by 1.2 million barrels a day in 2016, compared with a five-year-high growth of 1.8 million barrels a day in 2015. “A projected marked slowdown in demand growth next year and the anticipated arrival of additional Iranian barrels-–should international […]