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