Apple - Shares of the company rose after it reached a deal to sell its iPhones through China Mobile.
United Therapeutics - The drug developer's shares rallied after regulators approved its latest treatment for high blood pressure.
Target - Shares of the discount retailer fell amid lawsuits filed in the wake of the theft of data on about 40 million credit and debit card accounts of shoppers at Target from Nov. 27 to Dec. 15.
Jos. A. Bank Clothiers - Shares declined afterit rebuffed a $1.5 billion takeover bid by Men's Wearhouse.
(Read More: See CNBC's Market Insider Blog)
—By CNBC's Kate Gibson.
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