Noble Energy, Zulily, Monster Beverage, Sotheby's and Actavis 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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Noble Energy Inc., down $3.05 to $46.07

The energy company will pay about $2.1 billion for Rosetta Resources in a deal that will give it access to two Texas shale formations.

Actavis PLC, up $8.92 to $301.74

The drugmaker said that its $66 billion purchase of Botox maker Allergan helped boost its revenue 59 percent in the last quarter.

Dean Foods Co., up $1.05 to $17.33

The milk producer and distributer reported adjusted earnings for its first quarter that beat Wall Street expectations.

Sotheby's, up 63 cents to $44.34

Thanks to stronger demand for art, the auction house posted adjusted earnings and revenue that beat Wall Street expectations.

Nasdaq

Zulily Inc., up 69 cents to $13.98

Chinese e-commerce powerhouse Alibaba disclosed last week that it bought a more than 9 percent stake in the online retailer.

Monster Beverage Corp., up $5.54 to $134.01

A Citi analyst gave the energy maker's stock a "Buy" rating, saying that it may grow its market share and expand around the world.

Dish Network Corp., down 48 cents to $66.38

The satellite television provider said that it continued losing subscribers in the first quarter, even as its net income doubled.

RadNet Inc., down $1.24 to $7.55

The operator of medical diagnostic imaging centers reported a loss of $4.6 million in its first quarter.