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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 Wednesday:

Boeing - Boeing reported fourth-quarter profit of $1.28 per share, above estimates of $1.19. The company also says it expects no significant impact from any Federal Aviation Administration directives involving its 787 Dreamliner, and is maintaining its production and delivery forecast.

Amazon.com - The stock is getting a boost despite a fourth-quarter shortfall on both the top and bottom lines, as well as a first-quarter revenue forecast that falls below estimates. Analysts are focusing instead on Amazon's better-than-expected profit margins.

(Read More: Analysts Raise Amazon Price Targets as Margins Surprise)

Research In Motion - The company will unveil its line of BlackBerry 10 smartphones today at a media event in New York.

(Read More: It's RIM's 'Show-Me Time': Jon Najarian)

Chesapeake Energy - Chief executive Aubrey McLendon is retiring on April 1. The company also announced that it had found no improper conduct on McLendon's part after an extensive review of whether McLendon had blurred the line between his personal dealings and those related to the company. The shares got an immediate boost on takeover speculation following the announcement.

Copano Energy - Copano is being bought by Kinder Morgan Energy Partners for $3.22 billion dollars in stock, representing a 23.5 percent premium for Copano shareholders.

Broadcom - Broadcom earned $0.76 per share for the fourth quarter, three cents above estimates, with revenues in line with consensus. However, the chipmaker warned of a decline in first-quarter revenue, because of seasonal trends and macroeconomic weakness. Broadcom also announced a 10 percent dividend hike.

Freescale Semiconductor - Freescale lost $0.15 per share for the fourth quarter, smaller than the expected loss of $0.18, with revenue beating consensus. The chipmaker also forecast current-quarter revenue above analysts' estimates, thanks to a boost in demand from its wireless and enterprise segments.

Ryland Group - Ryland is the latest home builder to benefit from a rebound in the housing market, reporting fourth-quarter profit of $0.55, six cents above estimates, and also scoring a revenue beat.

Toyota Motor - The automaker is recalling 907,000 vehicles, mostly Corollas, to investigate an air bag issue, and another 385,000 Lexus models for possibly defective windshield wipers.

Zynga - Chief game developer Brian Reynolds has resigned from the company, according to a story on venturebeat.com. He's the latest high-level employee to leave the company.

Microsoft - Shipments of its Windows RT tablet computers have hit two million, according to DigiTimes. That's well below an original year-end target of about 4.5 million.

Nokia - The handset maker will ask for approval of a 370 million share buyback at its annual meeting.

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

—By CNBC's Peter Schacknow

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