NEW YORK (AP) â¿¿ Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and Nasdaq Stock Market:

NYSE

Amgen Inc., up $3.26 at $58.43

The biotech drugmaker said that it plans to buy back up to $5 billion of its stock in a modified Dutch auction tender offer.

Cameco Corp., down $1.34 at $20.11

The Canadian mining company said its third-quarter profit dropped 60 percent on charges related to a change in accounting methods.

Quicksilver Resources Inc., down 74 cents at $7.69

The energy company said profits rose 31.6 percent in the third quarter as it benefited from a series of long-term investments.

Nasdaq

DreamWorks Animation SKG Inc., up $2.08 at $19.47

After a disappointing opening weekend, the film studio's "Puss in Boots" performed well at the box office in its second weekend out.

Force Protection Inc., up $1.29 at $5.50

The company, which makes armored vehicles, said it earned $4.5 million in the third quarter compared with a loss a year ago.

Dish Network Corp., up $1.18 at $24.66

Despite reporting another loss of subscribers, the New York-based satellite-TV company announced a $2 per share special dividend.

EchoStar Corp., down $1.08 at $25.36

The company, which sells set-top boxes, posted a loss for the third quarter on higher expenses due to a recent acquisition.

Tekelec, up $1.39 at $11.29

The network and mobile data management company is being acquired by a consortium led by Siris Capital Group LLC for $780 million.
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