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

CSX unchanged at $29.80.

Canadian National Railway Co. rose $.14 or .2 percent, to $67.18.

Canadian Pacific Railway Ltd. fell $.12 or .1 percent, to $191.60.

Kansas City Southern rose $.20 or .2 percent, to $111.87.

Norfolk Southern Corp. fell $.34 or .3 percent, to $102.50.

Union Pacific rose $.26 or .3 percent, to $99.83.