McDonald's, Sony, Cubist Pharmaceuticals and Amgen are big market movers

MarketsAssociated Press

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

NYSE

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McDonald's Corp., down $3.70 to $92.61

The world's biggest burger chain said sales at its restaurants around the world fell 2.2 percent in November.

Sony Corp., down $1.01 to $21.15

The electronics and entertainment company's PlayStation store was not working for some users, due to a possible cyberattack.

LeapFrog Enterprises Inc., down 8 cents to $4.92

An analyst at Roth Capital downgraded his investment rating on the electronic toy maker's stock, citing possible slower sales.

Bristol-Myers Squibb Co., up 2 cents to $60.67

The drugmaker said a treatment for Hodgkin lymphoma, a blood cancer, showed promise in a trial. Its stock rose to a 13-year high.

Nasdaq

Cubist Pharmaceuticals Inc., up $26.24 to $100.60

The pharmaceutical company said Merck plans to buy it for about $8.4 billion to expand into treating so-called "superbugs."

Digital River Inc., down $5.80 to $19.71

The online shopping services company said it was giving Microsoft more time to decide whether to renew a key contract.

Amgen Inc., up $2.40 to $171.64

The company said its drug used to treat bone disorders related to cancer received additional approval for marketing in the U.S.

Starbucks Corp., up 23 cents to $83.80

The coffee chain's stock rose to an all-time high. Last week the company unveiled new efforts to sell food and booze at its stores.