Oil prices steadied on Thursday, with U.S. crude pulling back from 3-1/2-year highs, but supply remained tight with investors concerned by the prospect of a big fall in crude exports from Iran due to U.S. sanctions. U.S. light crude CLc1 was 5 cents lower at $72.71 a barrel by 0925 GMT, after hitting $73.06 on Wednesday, its highest since November 2014. Benchmark Brent LCOc1 was up 5 cents at $77.67. The United States this week demanded that all countries halt imports of Iranian oil from November, a hardline position the Trump administration hopes will cut off funding to Iran. The move follows a decision by the Organization of the Petroleum Exporting Countries last week to increase production to try to moderate oil prices that have rallied more than 40 percent […]