NYSE

MSC Industrial Direct Co., down $2.35 at $33.39

The distributor of repair supplies expects revenue to be down as much as 19 percent for its fiscal second quarter from a year ago.

Wal-Mart Stores Inc., down $4.47 at $51.07

December sales at established stores rose less than expected, and the discounter cut its profit forecast for the rest of its fiscal year.

Manitowoc Co., down $1.31 at $8.19

Lower sales in its crane and other units caused the construction and lifting equipment maker to narrow its 2008 profit range estimate.

Great Atlantic & Pacific Tea Co., up 96 cents at $7.64

Fiscal third-quarter revenue surged 70 percent, the operator of A&P, Pathmark and other supermarkets said, even as the company posted a loss on higher expenses.

NASDAQ

Dell Inc., down 13 cents at $11.02

The computer maker, which is Ireland's second-largest corporate employer, will move some Irish operations to Poland to save on costs.

Thinkorswim Group Inc., up $2.62 at $8.27

TD Ameritrade Holding Corp. will pay $606 million in a cash and stock deal for the online brokerage, which specializes in options trading.

PriceSmart Inc., up $1.20 at $20.07

The warehouse club operator, which operates in Central America and the Caribbean, said quarterly profit rose 60 percent on higher sales.

Helen of Troy Ltd., down $1.83 at $12.90

The consumer products maker said profit tumbled 34 percent due to slower consumer spending and the bankruptcy of a customer.

A service of YellowBrix, Inc.