Oil prices fell Monday on worries over a potential resurgence of U.S. shale production despite more confidence at OPEC that last year’s agreement to lower production is holding. Light, sweet crude for March delivery settled down 47 cents, or 0.9%, at $52.75 a barrel on the New York Mercantile Exchange. Brent crude, the global benchmark, lost 26 cents, or 0.5%, to $55.23 a barrel on ICE Futures Europe. The resurgence of shale…