Zynga, Zep, Constellation are big movers

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

NYSE

Acuity Brands Inc., up $5.46 at $81.39

The lighting maker said that its fiscal third-quarter net income fell 6 percent, but its adjusted results beat Wall Street estimates.

Constellation Brands Inc., down $1.90 at $51.25

The wine, beer and liquor company's fiscal first-quarter net income fell 27 percent, partly due to costs related to an acquisition.

Zep Inc., down $3.14 at $13.40

The chemical maker reported a 27 percent drop in net income for the third quarter as the company repositions itself and cuts inventory.

The Greenbrier Cos. Inc., down $1.43 at $22.27

The railcar company posted a loss for its fiscal third quarter, and also cut its 2013 forecast for new railcar deliveries.

DaVita HealthCare Partners Inc., down $7.15 at $114

Shares of the dialysis services provider fell after the government proposed potential Medicare cuts that could hurt the company.

Nasdaq

Zynga Inc., up 20 cents at $3.27

The maker of online game "FarmVille" said that it hired Don Mattrick, the head of Microsoft's Xbox division, as its CEO.

Achillion Pharmaceuticals Inc., down $2.10 at $6.26

The drug developer said federal regulators placed a hold on the study of a drug combination involving a potential hepatitis C treatment.

A. Schulman Inc., down $1.23 at $26.60

Plastic compounds and resins supplier said that its fiscal third-quarter earnings sank 69 percent, hurt by declining sales.