Blackberry - The wireless device maker declined on bearish comments from Credit Suisse.
Citigroup - The lender fell after Bloomberg reported the government has asked the lender to pay more than $10 billion to settle an investigation into its sale of mortgage securities ahead of the financial crisis.
Lululemon Athletica - The Canadian yogawear retailer fell to a three-year low after it received five more downgrades.
OncoMed Pharmaceuticals - The drug developer fell after it halted early stage trials in two of its experimental cancer drugs, due to concerns of bone damage.
Sprint - The telecommunications carrier rose and T-Mobile US fell. CNBC's David Faber reported a definitive deal is still weeks away, that the merged company would be branded T-Mobile, and the two agreed on a $2 billion breakup fee.
TW Telecom The company advanced on a report from website Brightwire that Level 3 Communications was in talks to acquire the company.
Yelp - The online local guide rallied as did other Internet names including Groupon, Angie's List and GrubHub rose after Priceline Group said it would as buy OpenTable for $103 a share in cash, a 46 percent premium over OpenTable's Thursday close.
(Read More: See CNBC's Market Insider Blog)
—By CNBC's Rich Fisherman.
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