Apple, Valeant, Cooper Tire, Polypore and Dish Network are big market movers

Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

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Valeant Pharmaceuticals International Inc., up $25.49 to $198.75

The Canadian drugmaker plans to buy gastrointestinal diseases drug developer Salix for about $10 billion.

Darden Restaurants Inc., up 38 cents to $62.59

The company behind the Olive Garden restaurant chain named its interim CEO to the post permanently.

Cooper Tire & Rubber Co., down $1.89 to $35.82

The tire maker reported fourth-quarter earnings that fell short of what Wall Street analysts had expected.

Polypore International Inc., up $6.75 to $59.70

It's selling its energy storage business for $2.2 billion and another unit for $1 billion.

Transocean Ltd., down 75 cents to $16.26

Oil prices dropped on the prospect of increased oil supply, weighing on the oil drilling rig company's shares.

Nasdaq

Globe Specialty Metals Inc., up 62 cents to $15.99

The U.S. metal producer is merging with European rival Grupo FerroAtlantica.

Dish Network Corp., down 92 cents to $77.39

The satellite TV provider's co-founder Charles Ergen will replace CEO Joseph Clayton.

Apple Inc., up $3.51 to $133

The iPhone maker will invest about $2 billion in data centers in Europe that will power iTunes and other online services.