Oil prices fell in volatile trade on Wednesday as investors tracked the U.S.-Iran nuclear talks and a buildup in U.S. oil supplies. Brent crude for May delivery fell 0.3% to $54.95 a barrel on London’s ICE Futures exchange. On the New York Mercantile Exchange, light, sweet crude futures for delivery in May traded at $47.26 a barrel, down 0.8% from Tuesday’s settlement. Nuclear talks between Iran and six world powers missed the deadline for a preliminary agreement on Tuesday. But in early morning hours Wednesday, there were some signs of progress toward building a framework outlining elements […]