Oil prices drop as growing supplies stoke glut concerns

By Karolin Schaps LONDON (Reuters) - Oil prices fell more than 1 percent on Friday as news of rising Iranian exports and returning supplies from Libya and Nigeria following interruptions fuelled concerns that the global glut will persist. U.S. West Texas Intermediate futures were down 55 cents, of 1.25 percent, at $43.36 a barrel. "We've seen a lot of bearish news this week: Libya, Nigeria, sceptical monthly reports from the IEA and OPEC and large stockbuilding in the U.S., so weak fundamentals