Shares of some top airlines companies are up at 10 a.m.:
AMR rose $.36 or 5.4 percent, to $7.04.
AirTran rose $.13 or 2.6 percent, to $5.15.
Continental rose $.75 or 4.0 percent, to $19.36.
DeltaAir rose $.58 or 5.0 percent, to $12.28.
JetBlue rose $.19 or 3.6 percent, to $5.51.
Southwest rose $.42 or 3.4 percent, to $12.81.
UAL rose $.82 or 4.6 percent, to $18.71.
US Airways rose $.36 or 5.6 percent, to $6.74.