Nigeria’s credit rating was downgraded by Standard & Poor’s on Friday because of falling oil prices and rising political risks before delayed elections due next week in the West African country. The foreign and local currency long-term rating was cut one level to B+, four levels below investment grade. The outlook was changed to stable. “The decline in oil prices in the last seven months has significantly affected Nigeria’s external position and external vulnerability,” S&P said in a statement. “The tightly contested general elections may pose risks to Nigeria’s external position and the implementation of what we view as the government’s ambitious fiscal consolidation plans, while the Boko Haram group continues to disrupt the northeast.” Africa’s largest economy, which derives 90 percent of export earnings and 70 percent of government revenue from oil, is struggling with Brent crude prices having halved since June. The International Monetary Fund […]