Market Insider

Midday movers: Apple, Darden Restaurants & More

An Olive Garden restaurant in New York.
Adam Jeffery | CNBC

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

Apple - Shares of the technology company rose after Carl Icahn dropped his demand for Apple to repurchase more of its shares.

Darden Restaurants - Shares gained after Starboard Value, which holds a 5.5 percent stake in the company, said in a letter that it opposed the company spinning off its Red Lobster unit and called for changes to its board.

Bristol-Myers Squibb - The biopharmaceutical company gained after BMO Capital upgraded it to outperform from market perform.

St Jude Medical - The medical device maker rose after Stifel Nicolaus raised its rating on the company to buy from hold.

The Medicines Company - Shares fell after an initial review by the U.S. Food and Drug Administration found the company's intravenous blood clot preventer should not be approved.

Sprint - The telecommunications company declined as the company was apparently reconsidering its attempt to acquire T-Mobile US.

Supertex - Shares of the maker of integrated circuits surged after Microchip Technology said it would buy Supertex for $394 million in cash. - The developer of online games fell after Morgan Stanley downgraded its shares to sell.

Dick's Sporting Goods - Shares of the retailer rose after it raised its fourth-quarter profit estimates.

ACI Worldwide - Shares of the technology company fell after its preliminary 2013 results missed expectations.

Palo Alto Networks - Shares of the information security company climbed after Globes, an Israeli business publication, reported the company was in talks to acquire the Israeli start-up Cyvera.

FireEye - The cyber security company rose after Wells Fargo began coverage with an outperform rating.

CNA Financial - The insurer gained after it said it would sell its life and group insurance business to a subsidiary of Wilton Re Holdings for about $615 million.

Loews - Shares fell after the insurance company reported its net loss widened to $198 million in the fourth quarter.

Boardwalk Pipeline Partners - The transporter of natural gas declined to a 52-week low after it reported disappointing quarterly results and slashed quarterly payments to investors 81 percent.

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—By CNBC's Rich Fisherman.

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