Other competitors in the services sector include: Orbitz Worldwide (OWW), Expedia (EXPE), and Travelzoo Inc. (TZOO).

FORBES: Earnings Preview: priceline.com

Orbitz Worldwide, Inc. (OWW), which is highly leveraged to the U.S. airline industry, has been crushed to the tune of 37 percent this year.

FORBES: Playing The Fire In Priceline Without Getting Burned

Orbitz Worldwide (OWW) is expected to report poor second quarter earnings on Wednesday, August 8, 2012 with analysts expecting a 55.6% drop in earnings from a year ago.

FORBES: Earnings Preview: Orbitz Worldwide