Shares of some top railroad companies are mixed at 10 a.m.:

CSX rose $.04 or .1 percent, to $29.96.

Canadian National Railway Co. rose $.35 or .5 percent, to $67.19.

Canadian Pacific Railway Ltd. fell $.37 or .2 percent, to $189.58.

Kansas City Southern rose $.34 or .3 percent, to $109.40.

Norfolk Southern Corp. rose $.15 or .1 percent, to $101.81.

Union Pacific rose $.57 or .6 percent, to $98.88.