NEW YORK (TheStreet) -- Shares of American Airlines Group Inc. (AAL) are lower by -5.34% to $40.03 this morning as the U.S. airline sector continues a decline started on Wednesday after Germany's largest carrier, Deutsche Lufthansa (DLAKY), issued a 2014 profit warning.
The carrier said it is now expecting a 2014 profit of 1 billion euros, versus its previous guidance of 1.3 to 1.5 billion euros.
Lufthansa said it lowered its profit expectations due to union worker strikes and weaker than expected revenue growth in its passenger and cargo businesses, Markets Emerging reports.
Other U.S. airlines continuing to fall include Delta Airlines Inc.
(DAL) down -5.13% to $38.62, United Continental Holdings Inc.
(UAL) down -5.99% to $42.55, and Southwest Airlines Co.
(LUV) down -4.19% to $25.81.
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