Take a look at some of Tuesday's midday movers:
Orbitz Worldwide declined after the online-travel agency posted weaker-than-expected quarterly earnings and pared its revenue outlook for 2013.
Red Robin rose after its third-quarter net income jumped 34 percent, easily topping Wall Street estimates.
Vitamin Shoppe gained after the retailer beat third-quarter earnings estimates by a penny.
HCA Holdings fell after the hospital operator reported a rise in third-quarter earnings.
Intercontinental Exchange moved higher after the company reported an 8 percent rise in third-quarter profit, helped by higher market-data revenues. ICE is awaiting final approval to buy NYSE Euronext.
Keryx Biopharmaceuticals climbed after it said its kidney drug met the main goals of a mid-stage study in patients with chronic kidney disease.
Marvell Technology Group spiked on media reports that KKR had purchased a 5 percent stake in the chip maker.
NQ Mobile slumped after Piper Jaffray suspended their rating, price target and estimate until it further investigates various allegations against the company made by third parties.
Pandora Media jumped after the provider of online music said its share of the U.S. listening market rose in October.
Delphi Automotive moved lower after the auto-parts maker narrowed its full-year outlook below street expectations.
Immunogen fell after the maker of oncology drugs said it would end a mid-stage trial of its lung-cancer drug.
Open Text rose after the Canadian business software maker said it would buy privately held cloud-computing company GXS Group for $1.2 billion.
(Read More: )
—By CNBC's Rich Fisherman.
Questions? Comments? Email us at email@example.com