Enter multiple symbols separated by commas

Midday movers: Hertz, Amazon.com, Twitter & more

Take a look at some of Tuesday's midday movers:

Hertz Global Holdings - The car-rental company's shares jumped. CNBC reported that activist investor Daniel Loeb's Third Point Capital had taken a less than 5 percent stake. On Monday Hertz said it had adopted a 'poison pill' after observing unusual and substantial activity in its shares.

Amazon.com - Shares of the online retailer gained after Citigroup raised its price target from $381 to $457 a share and maintained its buy rating.

Twitter - Shares of the social-media company rebounded after falling 13 percent last week on a downgrade from Macquarie.

Qihoo 360 Technology - climbed after the company said a deal with Apple is forthcoming.

Walgreen - Shares of the drugstore chain edged lower after it said it would fill prescriptions at no upfront cost to patients who don't have all the information they need for coverage received through the health care overhaul.

D.R. Horton - Shares of the homebuilder climbed after Sterne Agee called it one of its top picks in the sector.

Voxeljet - The German provider of three-dimensional printers gained on market speculation it could be acquired by 3D Systems.

Patient Safety Technologies - The supplier of medical products rose after Stryker said it would buy company for $120 million, or $2.22 a share, a 50 percent premium from the stock's closing price on Monday.

Marathon Petroleum - Its shares rose along with other energy stocks, led by refiners. Valero Energy and Tesoro also gained.

(Read More: See CNBC's Market Insider Blog)

—By CNBC's Rich Fisherman.

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.

  • Peter Schacknow

    Senior Producer at CNBC's Breaking News Desk.

  • Dominic Chu is a markets reporter for CNBC.

  • Evelyn Cheng

    Evelyn Cheng is a markets writer for CNBC.

  • Sara Eisen

    Sara Eisen is a correspondent for CNBC, focusing on currencies and the global consumer.

Market Strategist Survey