Shares of some top railroad companies were mixed at the close of trading:

CSX fell $.22 or .7 percent, to $31.13.

Canadian National Railway Co. fell $.26 or .4 percent, to $69.09.

Canadian Pacific Railway Ltd. rose $.48 or .2 percent, to $198.51.

Kansas City Southern fell $.84 or .7 percent, to $115.71.

Norfolk Southern Corp. fell $.77 or .7 percent, to $106.84.

Union Pacific fell $.35 or .3 percent, to $102.51.