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.
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.
Puma Biotechnology - The drug developer declined after saying its experimental treatment for breast cancer failed a mid-stage study.
Questions? Comments? Email us at email@example.com