Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:
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Dean Foods Co. (DF), up $1.98to $16.40
The milk company reported better-than-expected quarterly financial results and a stronger-than-expected financial outlook.
Toll Brothers Inc. (TOL), up 73 cents to $32.95
The homebuilder reported a 29 percent boost in preliminary fourth-quarter revenue on an increase in home sales at higher prices.
Rayonier Inc. (RYN), down $5.08 to $28.82
The forest products company reported positive quarterly profit, but restated prior results and will realign its strategy.
Merck & Co. (MRK), down 53 cents to $58.81
The pharmaceutical company won't continue development of a shortened hepatitis C treatment following interim study results.
Dynavax Technologies Corp. (DVAX), up $14.39 to $15.98
The biotechnology company said an independent board recommended continuing a pivotal study on a potential hepatitis B vaccine.
Orexigen Therapeutics Inc. (OREX), up $1.28 to $5.13
The drug developer reported better-than-expected quarterly profit and revenue on milestone payments associated with Contrave.
Comcast Corp. (CMCSA), down $2.20 to $52.95
The cable television provider's stock slumped after President Obama issued a statement calling for more industry regulations.
Gogo Inc. (GOGO), up $1.77 to $18.41
The in-flight internet service company reported worse-than-expected quarterly profit and reaffirmed its fiscal 2014 outlook.