Shares of some top railroads companies are up at 10 a.m.:
CSX rose $2.50 or 4.7 percent, to $55.17.
Canadian National rose $3.30 or 5.9 percent, to $58.98.
Canadian Pacific rose $3.21 or 6.0 percent, to $57.14.
Kansas City Southern rose $2.42 or 6.7 percent, to $38.35.
Norfolk Southern rose $3.12 or 5.7 percent, to $58.34.
Union Pacific rose $3.67 or 5.2 percent, to $74.74.