Citi analyst Christian Wetherbee says he continues to view railroads as the most attractive sector within Transportation into year-end and early 2017. Rail volumes could flatten and begin to turn modestly positive by the end of 2016, which would likely extend investor rotation into the space, Wetherbee tells investors in a research note. He believes valuations in the rails sector remain attractive and that 2017 estimates are achievable. Wetherbee raised his price target for Canadian Pacific (CP) to $170 from $154, for Canadian National (CNI) to $66 from $61, for CSX (CSX) to $32 from $29, for Kansas City Southern (KSU) to $110 from $109, for Norfolk Southern (NSC) to $97 from $87 and for Union Pacific (UNP) to $106 from $100. He has Buy ratings on Canadian Pacific, CSX, Kansas City Southern and Union Pacific.