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After-hours buzz: CF Industries, Towerstream & More

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

CF Industries - Shares climbed 1.3 percent after The Mosaic Co. said it had completed its acquisition of the company's phosphate business for $1.2 billion in cash, along with $200 million to fund its asset retirement obligation escrow.

Towerstream - Shares fell 4.2 percent in extended-hours trading after the Wi-Fi provider posted fourth-quarter results beneath analyst expectations.

Oxygen Biotherapeutics - Shares of the specialty pharmaceutical company fell 7.6 percent in extended-hours trading after it issued a press release announcing its intention to start a public offering of its common stock.

Galena Biopharma - Shares rallied 10 percent in after-hours trading after the company that specializes in oncology treatments reported quarterly results.

—By CNBC's Kate Gibson.

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.

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

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  • Senior Producer at CNBC's Breaking News Desk.