What's Shaking: Wednesday's Early Movers

Take a look at some of Wednesday morning's early movers:

Amazon.com - The online retail giant gives current quarter guidance below Wall Street estimates. The company did beat estimates with its fourth quarter earnings, but the stock took a 10 percent hit after-hours on its forecast.

Aetna – The insurance company earned 97 cents per share for the fourth quarter, matching analyst estimates.

Broadcom – The company beat Street estimates with its fourth quarter profits and also announced a dividend increase of 11.1 percent.

Whirlpool - The appliance maker's fourth quarter profits were below Street estimates, but its 2012 forecast of $6.50 - $7.00 per share is well above consensus of $5.85.

Hershey – Hershey matched estimates by earning 70 cents a share, excluding certain items, for its fourth quarter, with revenues essentially in line as well. The company also raised its quarterly dividend to 38 cents per share from 34-1/2 cents.

Northrop Grumman – The defense contractor reported fourth quarter profit of $1.85/share, excluding certain items, above estimates of $1.67.

Seagate Technology – The hard disk drive maker earned $1.32 per share, excluding certain items, for its fiscal second quarter, 26 cents above estimates, with revenues also above consensus.

Boston Properties – The real estate firm earned $1.21 per share for the fourth quarter, which beat estimates by two cents, but guided the current quarter below current consensus.

AOL - The company's fourth quarter profit of 23 cents per share was seven cents above estimates, with revenues also coming in above analyst projections.

Dendreon , Savient - Savient CEO John Johnson is moving to Dendreon to take that company's chief executive job.

Marathon Petroleum - The oil company is implementing a $2 billion share buyback rogram, as well as saying it will look for a new structure for its pipeline operations aimed at reducing tax liabilities.

Molycorp - The stock is moving higher on reports that Chile's Molymet will buy a 13% stake for about $31.22 a share.

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