Midday Movers: Media General, Noble, Yodlee & More

Wall Street New York Stock Exchange NYSE
Scott Mlyn | CNBC

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

Cliffs Natural Resources - The iron-ore miner fell after Nomura cut its rating to "reduce" from "buy."

Covidien - The Irish drug manufacturer rose after Medtronic said it would use $16 billion in outside financing to fund the cash part of the medical-technology provider's nearly $43 billion deal for Covidien.

Diamond Offshore Drilling - The provider of oil-drilling services led losses on the S&P 500, falling along with the price of crude. Competitors including Noble, Transocean and Chesapeake Energy also declined.

General Motors - The vehicle manufacturer rose after telling dealers to halt deliveries of new mid-sized pickup trucks due to issues related to air bags.

Media General -The television-station operator spiked after Gabelli & Co. upgraded its shares to "hold" from "buy."

Mylan - The generic drug maker rallied after hiking its forecast for the third quarter and year.

Salix Pharmaceuticals - The drug developer gained after pulling the plug on its purchases of Cosmo Technologies.

Yodlee - The maker of financial software jumped in its market debut.