Take a look at some of Friday's midday movers:
Abengoa Yield (ABY) - The owner of renewable and conventional power and electric transmission assets soared in its market debut after 24.9 million shares were priced at $29 a share.
Aeropostale (ARO) - The retailer and others including Abercrombie & Fitch (ANF), American Eagle Outfitters (AEO) andZumiez (ZUMZ) gained after Sycamore Partners announced a a 9.9% stake inExpress (EXPR), saying it could be interested in buying the retailer.
Alcoa (AA) - The aluminum producer rose after BMO Capital upgraded the stock to market perform from under perform.
Blackberry (Toronto Stock Exchange: BB-CA) - The wireless device maker declined on bearish comments from Credit Suisse.
Citigroup (NYSE:C) - 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 (LULU) - The Canadian yogawear retailer fell to a three-year low after it received five more downgrades.
OncoMed Pharmaceuticals (OMED) - The drug developer fell after it halted early stage trials in two of its experimental cancer drugs, due to concerns of bone damage.
Sprint (NYSE:S) - The telecommunications carrier rose and T-Mobile US (TMUS) 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.
Yelp (YELP) - The online local guide rallied as did other Internet names including Groupon (GRPN), Angie's List (ANGI) and GrubHub (GRUB) rose after Priceline Group (PCLN)said it would as buy OpenTable (OPEN) 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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