NEW YORK (AP) — Shares of some top railroad companies are down at 10 a.m.:

CSX fell $.17 or .8 percent, to $21.12.

Canadian National Railway Co. fell $3.05 or 3.5 percent, to $84.83.

Canadian Pacific Railway Ltd. fell $1.87 or 2.1 percent, to $86.91.

Kansas City Southern fell $1.25 or 1.6 percent, to $77.11.

Norfolk Southern Corp. fell $1.19 or 1.8 percent, to $65.64.

Union Pacific fell $1.40 or 1.1 percent, to $122.94.