Stocks to Watch: RHT, AMD, MDVN & More

Check out which companies are making headlines after the bell Tuesday:


United Continental - United Airlines is facing a "network outage" issue affecting its operations at airports and its website. At 4:30pm ET, the Federal Aviation Administration issued a ground-stop for all United Airlines (including Express) for flights destined to Newark (90min) or San Francisco (30min), two of United's hubs. (Click here for extended-hours quotes.)

Red Hat - The software company said it has bought business process management (BPM) technology developed by Polymita Technologies. BPM is a management approach that helps a company's workflow. Financial terms of the deal have not been disclosed. (Click here for extended-hours quotes.)

AMD - The chipmaker announced it has hired John Gustafson as its Chief Graphics Product Architect. (Click here for extended-hours quotes.)

Medivation - The biopharmaceutical company announced a two-for-one forward split of its common stock. (Click here for extended-hours quotes.)

Sealed Air - The bubble-wrap maker announced CEO William Hickey will retire in March 2013. (Click here for extended-hours quotes.)

—By CNBC’s JeeYeon Park (Follow JeeYeon on Twitter: @JeeYeonParkCNBC)

Questions? Comments? Email us at marketinsider@cnbc.com

  • Patti Domm

    Patti Domm is CNBC Executive Editor, News, responsible for news coverage of the markets and economy.

  • Bob Pisani

    A CNBC reporter since 1990, Bob Pisani covers Wall Street from the floor of the New York Stock Exchange.

  • Sharon Epperson

    CNBC's Senior Personal Finance Correspondent

  • JeeYeon Park

    JeeYeon Park is a writer for CNBC.com. Follow her on Twitter: @JeeYeonParkCNBC

  • Rick Santelli

    Rick Santelli joined CNBC Business News as an on-air editor in 1999, reporting live from the floor of the Chicago Board of Trade.

  • Peter Schacknow

    Senior Producer at CNBC's Breaking News Desk.