Oil production is languishing as foreign investors steer clear of the world’s fourth-largest holder of crude. Pledges by US officials to tighten curbs on Iran’s oil sales and the expiration of waivers for several of the nation’s customers in early May are set to further restrict its exports.from Business News: Latest News on Business, Stock Markets, Financial News, India Business & World Business News http://bit.ly/2GfYbwy
