Wal-Mart, Viacom, JC Penney, Cyber-Ark, and DreamWorks Animation are big market movers

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


Wal-Mart Stores Inc., up $3.74 to $82.94

The retailer eked out a gain in an important sales measurement in the third quarter and its profit beat Wall Street expectations.

J.C. Penney Co., down 66 cents to $7.10

The department store operator narrowed its third-quarter loss, but its revenue slipped and fell short of Wall Street expectations.

Mallinckrodt PLC, down $6.03 to $86.96

The FDA reclassified the generic drug developer's ADHD drug, saying it may not be therapeutically equivalent to Concerta.

Ford Motor Co., up 35 cents to $14.93

The auto company reported a boost in European car sales in October, marking the fifth consecutive month of volume growth.


Viacom Inc., up $1.95 to $71.20

The media conglomerate reported a boost in profit and revenue, and the quarterly results beat Wall Street expectations.

Cyber-Ark Software Ltd., up $9.22 to $42.92

The technology security company reported better-than-expected quarterly profit and revenue and issued a strong outlook.

DreamWorks Animation SKG Inc., up $3.15 to $25.52

The animated films studio is in "advanced talks" for a potential buyout by toy company Hasbro Inc., according to the New York Times.

Rocket Fuel Inc., up $2.97 to $19.20

The technology company's quarterly results beat expectations and it presented a stronger-than-expected fiscal outlook.