Market Insider

Early movers: QCOR, SYMC, GM, UA, PFE, EGN & more

Traders work on the floor of the New York Stock Exchange during early trading on December 16, 2013 in New York City.
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Check out which companies are making headlines before the bell:

Questcor Pharmaceuticals–The drug maker is being bought by Dublin-based pharmaceutical company Mallinckrodt for $5.2 billion in cash and stock, or about $86.10 per share.

Procter & Gamble–The consumer products giant is increasing its quarterly dividend by 7 percent to 64.36 cents per share.

Pandora–Wedbush upgraded the online radio service's shares to "outperform" from "neutral", saying the company is positioned for better profits than analysts generally expect, and that shares are attractively priced after a recent drop.

Under Armour–Sterne Agee upgraded the athletic apparel maker's stock to "buy" from "neutral", saying the stock's recent pullback creates a buying opportunity.

Zynga–Wedbush added the online game maker's stock to its "best ideas" list, saying they expected the company to meet or exceed its prior first quarter guidance.

Lands' End (LE)Sears Holdings has completed the spin-off of the Lands' End unit, which will begin trading today on the Nasdaq.

Energen–The oil and gas producer is selling its natural gas utility business to Laclede Group for $1.28 billion in cash.

General Motors–A judge refrained from issuing an order that would have taken millions of GM cars off the road until defective ignition switches are fixed. The judge is expected to make a final ruling within a few days. The case originated with two owners of the recalled models.

Potash –The company has named Jochen Tilk as its new chief executive officer, effective July 1. He'll replace Bill Doyle, who has served as CEO since 1999. Tilk is former head of Inmet Mining.

Mylan, Actavis, Hospira–Generic drug makers could be active today, following news that India's Sun Pharmaceuticals has struck a deal to buy Ranbaxy for $3.2 billion in stock.

BlackRock–BlackRock has reshuffled senior management in an apparent succession planning move. However, a BlackRock spokesman said CEO Larry Fink and president Rob Kapito intend to be at the investment firm for years to come.

Symantec–The cyber security company is hiring banks to advise it on possible options and to defend against, activist investors, according to Reuters. Other similar reports were in the news during the trading day on Friday, as Symantec tries to plot its future after .

Cemex, Eagle Materials–Publicly traded cement makers may get extra attention today, following news that Switzerland's Holcim will buy France's Lafarge in a stock deal that would create the world's largest cement maker.

Pfizer–The drug giant saw positive results in a trial involving an experimental breast cancer drug, which nearly doubled the time that patients lived without the disease worsening.

Yahoo–Yahoo is planning to expand its involvement in online video, according to the Wall Street Journal, which reported that the company plans to buy up to four new online-only series.

By CNBC's Peter Schacknow

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