Soft outlook from Lufthansa stings airline stocks

• A revised outlook from Lufthansa (OTCQX:DLAKY) is pressuring other airline stocks today.
• Pricing competition from Middle East carriers on long hauls to and from Europe is a rising concern for Lufthansa and creating a ripple effect for other routes.
• Decliners: Delta Air Lines (NYSE:DAL) -3.6%, Alaska Air Group (NYSE:ALK) -2.0%, United Continental (NASDAQ:UAL) -3.7%, Hawaiian Holdings (NASDAQ:HA) -2.5%, American Airlines (NASDAQ:AAL) -2.9%.