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

CSX rose $.12 or .4 percent, to $30.86.

Canadian National Railway Co. rose $.55 or .8 percent, to $70.51.

Canadian Pacific Railway Ltd. rose $1.30 or .6 percent, to $201.04.

Kansas City Southern fell $.09 or .1 percent, to $113.62.

Norfolk Southern Corp. rose $.43 or .4 percent, to $105.98.

Union Pacific fell $.09 or .1 percent, to $105.55.