Capital One Financial - The credit card issuer climbed after Nomura upgraded the stock to buy from neutral.
Family Dollar Stores - The discount retailer gained after adopting a one-year poison pill with a trigger of 10 percent, after Carl Icahn reported a 9.4 percent stake in the company, making him its largest shareholder.
Gilead Sciences - The drug developer fell after news that Merck was entering the hepatitis C market with its acquisition of Idenix Pharmaceuticals. Piper Jaffray said Merck could be in stronger position for its patent litigation against Gilead's hepatitis C Sovaldi drug.
McDonald's - The fast-food chain fell after reporting another month of disappointing sales in the United States.
Morgan Stanley - The bank gained on news it is selling its controlling stake in pipeline firm TransMontaigne to NGL Energy Partners for $200 million.
NeuStar - The provider of technology and directory services fell on reports it could lose a phone contract to rival Ericsson, citing an email made public on a government website.
Office Depot - The retailer gained on a positive article in Barron's, which said shares could rise over 50 percent.
Pilgrim's Pride - The poultry producer declined after it lost out to Tyson Foods in its attempt to buy Hillshire Brands.
(Read More: See CNBC's Market Insider Blog)
—By CNBC's Rich Fisherman.
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