Take a look at some of Friday's midday movers:
Fleetmatics moved higher in its debut on Wall Street. Fleetmatics delivers truck-fleet intelligence through the Internet or smartphones.
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Marriott traded lower after Lazard Capital, ISI and UBS all downgraded the hotelier from a "buy" rating.
Buffalo Wild Wings rose after Wedbush upgraded the company to "outperform," citing potential second-half earnings upside.
Dunkin Brands traded higher after Citi said it sees better-than-expected third-quarter comps.
Pier One gained to its highest level in more than eight years after Oppenheimer said the company's comeback was just beginning.
UnitedHealth said it is closing in on a deal for a Brazilian insurer and hospital operator. Shares of the managed-care firm traded lower.
Avon rose after Chairman Andrea Jung said she will turn over the reins to former Schering Plough CEO Fred Hassan at end of the year.
Liquidity Services fell after some negative comments from Stifel Nicolaus.
Datalink lost ground after the provider of data-center infrastructure and services cut its third-quarter guidance.
Verifone surged after Citi made some positive comments after meeting with the electronic-payments company’s CEO.
Medtronic gained ground after Bernstein said the medical device maker is poised to turn around its spine unit.
Pep Boys traded higher Benchmark upgraded the company to "buy" from "hold" with a price target of $12 a share.
(Read More: CNBC's Market Insider Blog)
—By CNBC's Rich Fisherman.
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