Midday Movers: COV, MCP, CB & More

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

Covidien is the best performing stock in the S&P 500 large-cap health-care sector. The health-care products company posting quarterly earnings that rose 2.2 percent.

Molycorp shares plummet after the company disclosed that a U.S. Securities and Exchange Commission investigation was launched in August. The investigation targets the accuracy of Molycorp's public disclosure.

Chubb shares are up slightly. In a regulatory filing, the company said it had suspended its planned share buyback plan because it was unable to properly estimate the cost of super storm Sandy.

Sandridge Energy came under pressure, touching a new-52-week low. The oil and gas company said it is considering a sale of its assets in Texas' Permian Basin.

International Game Technology shares are up. The global gaming company reported better-than-expected fourth-quarter earnings.

The ADT Corp traded higher. Credit Suisse raised its price target on the security company to $48 from $45, and the stock is at a 52-week high.

And of the 30 Dow Jones Industrial Average stocks, 3 post new 52-week lows today: Intel, DuPont, and McDonald's.

(Read More: See CNBC's Market Insider Blog)

—By CNBC's Lori Spechler.

Questions? Comments? Email us at marketinsider@cnbc.com

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