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Market Insider | What's Shaking | Earnings to Watch | Before the Bell

Check out which companies are making headlines before the bell on Tuesday:

Nokia - Microsoft will buy Nokia's handset business for $7.2 billion. Nokia CEO Stephen Elop – a former Microsoft executive – will rejoin the company and is now seen by some as a candidate to replace retiring CEO Steve Ballmer.

Verizon - The communications giant will pay $130 billion to buy Vodafone's 45 percent stake in their Verizon Wireless joint venture. The deal is the third largest in corporate history.

Jarden Corporation - Jarden will buy privately held Yankee Candle from Madison Dearborn Partners for $1.75 billion. Jarden is a maker of well-known household brands like Sunbeam, Crock-Pot, and Rawlings.

CBS, Time Warner Cable - The two sides have ended their month-long dispute over fees, striking an agreement which restores CBS programming in the New York, Dallas, or Los Angeles markets.

J.C. Penney - Hayman Capital has taken a new 5.18 percent stake in the retailer, according to an SEC filing. CNBC's David Faber had reported on August 20 that the firm - controlled by investor Kyle Bass - had taken a large equity position in the company.

Coca-Cola - CLSA downgraded the beverage maker's stock to "underperform" from "outperform".

Williams-Sonoma - Cannacord downgraded the retailer's shares to "hold" from "buy", saying the company faces notable profit margin headwinds.

Ford - The auto maker is recalling 370,000 Lincoln, Mercury, and Ford sedans to fix a steering shaft issue. The models involved are 2005 – 2011 Ford Crown Victoria, Mercury Grand Marquis, and Lincoln Town Car sedans in the U.S. and Canada.

Green Mountain Coffee - SunTrust Robinson Humphrey downgraded the stock to "neutral" from "buy".

Vivus - Chief Executive Officer Anthony Zook resigned as CEO due to medical issues. Former Johnson & Johnson senior executive Seth Fischer will take over.

Constellation Brands - Goldman Sachs upgraded the spirits maker's shares to "buy" from "neutral", thanks to increasing volume and profit margins in Constellation's beer business.

Coca-Cola Enterprises - Goldman upgraded the bottler's shares to "conviction buy" from "neutral", saying it offers one of the best risk/reward propositions in the consumer staples sector.

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

—By CNBC's Peter Schacknow

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