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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 Friday:

Moody's – Moody's earned $0.70 per share for the fourth quarter, one cent above estimates, with revenue beating consensus, as well. The rating agency also predicted 2013 earnings above analysts' estimates.

AOL – AOL earned $0.41 per share for the fourth quarter, matching Street estimates, but its revenue was above forecasts. Revenue also registered a year-over-year increase for the first time in eight years.

LabCorp – The medical testing company earned $1.54 per share for the fourth quarter, eight cents below estimates. The company said bad weather impacted its earnings by nine cents per share.

Boeing - The Federal Aviation Administration gave the company permission to perform test flights on its 787 jets. Boeing plans to perform in-flight testing of the jet's lithium ion batteries to determine the cause of recent issues that resulted in the grounding of all 787s.

(Read More: Boeing Starts 2013 Ahead of Airbus Despite 787 Freeze)

Activision Blizzard – Activision earned $0.78 per share for the fourth quarter, six cents above estimates. Revenue was also above consensus, thanks in part to strong sales of its "Call of Duty: Black Ops II" video game. Activision warned, however, that 2013 may present some short-term challenges, as it invests in new game franchises, and as sales across the industry fall as gamers wait for new consoles to be released.

Hasbro – Hasbro reported fourth-quarter profit of $1.20 per share, excluding certain items, one cent above estimates. The toy maker said a cautious retail environment hurt its results, with poor sales in Europe impacting overall results during the key holiday season.

Coinstar – Coinstar earned $0.93 per share for the fourth quarter, excluding certain items, 20 cents above estimates. However, revenue was below consensus, as is its earnings and revenue projections from the current quarter. The operator of the Redbox video rental service said a slower movie release schedule is a key reason for that forecast.

(Read More: 2 Stocks Prompting Great Expectations)

Dell – Major Dell shareholder Southeastern Asset Management has told the computer maker that the $24.4 billion buyout of the company is undervalued. Southeastern owns 7.5 percent and is Dell's largest independent shareholder.

(Read More: Dell's Privatization—A Move to Build a 'Mini' IBM?)

LinkedIn – The business social media website earned $0.35 per share for its latest quarter, handily beating estimates of $0.19 a share. LinkedIn also gave an upbeat forecast for the current quarter, with projected revenues of $305 million to $310 million above current consensus estimates of $301 million.

RadioShack – The electronics retailer has named former Duane Reade president Joseph Magnacca as its new chief executive officer. Magnacca had been serving as the head of Walgreen's Daily Living Products unit since Duane Reade was acquired by Walgreen in 2010.

PVH, Big Lots – The two companies are switching S&P indexes, with clothing maker PVH going to the S&P 500, and retailer Big Lots taking PVH's spot in the S&P MidCap 400. The date of the switch has not yet been determined, but the move is being made because of Big Lots' drop in market cap to below the $2 billion mark, while PVH will grow through its purchase of Warnaco Group.

McGraw-Hill Cos. – Fitch is downgrading McGraw-Hill's credit rating to BBB from A-. The rating has also been placed on negative watch, following the government lawsuit against its Standard & Poor's unit over financial crisis-era ratings.

(Read More: S&P Hires Top Defense Attorney for $5 Billion Lawsuit)

Skullcandy - CEO Jeremy Andrus is stepping down to move to a private investment firm. Founder and former CEO Rick Alden will replace Andrus on an interim basis while the headphone maker searches for a successor.

OpenTable – The company reported fourth-quarter profit of $0.46 per share, excluding certain items, three cents above estimates. The online reservation service saw a 22 percent increase in the number of seated diners during the quarter compared to a year earlier, and said it expects more revenue from mobile-oriented reservations.

Nuance Communications – Nuance earned $0.35 per share for its first quarter, one cent below estimates, and is projecting second-quarter revenue below consensus, as well. The maker of speech-recognition software cites dropping demand in its Europe, Middle East, and African markets.

Charter Communications - Charter is buying Optimum West from Cablevision Systems for $1.625 billion. Optimum West is an operator of cable systems in four western states, with more than 300 thousand video subscribers.

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

—By CNBC's Peter Schacknow

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