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Midday movers: FibroGen, Google, McDonald's & more

Wall Street subway station NYSE
Scott Mlyn | CNBC

Take a look at some of Friday's midday movers:

Google - The search engine edged lower after saying it would discontinue its mobile-payment unit.

Petrobras Brasileiro - Brazil's state-run oil company plunged after delaying the release of its earnings until December amid a corruption scandal involving the company.

McDonalds - The fast-food chain rose as a regulatory filing showed activist-fund Jana Partners took a stake in the company.

Biogen Idec - The drug developer and rivals in the health care sector dropped, with Celgene, Alexion Pharmaceuticals and Gilead Sciences also sliding.

Pandora Media - The online radio surged after regulatory filings showed its chairman and CEO had purchased 25,000 shares of the stock.

Movado Group - The watch maker fell after warning results for the final two quarters of the year would likely come in beneath estimates.

King Digital Entertainment - The supplier of interactive games rose after Tuesday's global debut of its Candy Crush Soda Saga.

Virgin America - The airline soared in its market debut.

FibroGen - The drug developer rose in its market debut.

Graham Holdings - The education and media company rose after saying it would spin off its cable unit.

Barrick Gold - The miner and others including Newmont Mining, Goldcorp and AngloGold Ashanti rose with gold prices.

Ocwen Financial - The servicer and originator of mortgage loans fell a day after the Wall Street Journal reported it would not buy the rights to $39 billion in mortgages from Wells Fargo.

Puma Biotechnology - The drug developer declined after saying its experimental treatment for breast cancer failed a mid-stage study.

(See CNBC's Market Insider Blog)

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