Check out which companies are making headlines before the bell:
American Airlines Group – The Supreme Court has refused to grant a stay that would have stopped the merger of American Airlines parent AMR and U.S. Airways. The stay had been requested by a group of consumers and travel agents who said the merger would cause "irreparable" injury to the domestic airlines industry. The new American Airlines Group stock will begin trading today, under the symbol AAL.
Time Warner Cable – NBCUniversal parent Comcast has hired JPMorgan Chase to help it consider options regarding TWC. Charter Communications and Comcast are among the companies said to be interested in a possible purchase of Time Warner Cable.
WhiteWave Foods – The packaged food company is buying privately held Earthbound Farm for about $600 million in cash. Earthbound Farm is the largest organic produce brand in North America.
Kraft Foods Group – Morgan Stanley upgraded Kraft to "overweight", citing expected positive results from productivity and restructuring moves by the food producer.
Walt Disney– Disney has struck a deal with Paramount Pictures for marketing and distribution rights to any future "Indiana Jones" movies. Paramount is a unit of Viacom and will retain the distribution rights to the first four films in the series.
Campbell Soup – The canned food maker issued an apology for a Pearl Harbor Day-themed tweet for its SpaghettiOs brand. The tweet contained a picture of its mascot holding an American flag, and was eventually taken down.
HSBC – The bank is considering a stock offering of up to 30 percent of its British retail and commercial banking operations, according to the Financial Times.
AbbVie – AbbVie's experimental leukemia drug scored positive results in an early stage trial. The drug either controlled or eliminated signs of the disease in more than 80 percent of the patients.
Johnson & Johnson, Pharmacyclics– The two companies also had positive results in a study involving a jointly developed leukemia drug. The oral medication known as ibrutinib is proving effective long term in keeping leukemia at bay for most patients.
Gilead Sciences – The drug maker has received FDA approval for use of its Solvaldi medication to treat chronic infection for Hepatitis C patients.
—By CNBC's Peter Schacknow
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