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

CSX rose $.19 or .6 percent, to $30.77.

Canadian National Railway Co. rose $.01 or percent, to $68.58.

Canadian Pacific Railway Ltd. rose $.27 or .1 percent, to $198.00.

Kansas City Southern rose $.70 or .6 percent, to $113.65.

Norfolk Southern Corp. rose $.62 or .6 percent, to $106.70.

Union Pacific rose $.73 or .7 percent, to $105.12.