The medical-device maker reported stronger fourth-quarter sales than Wall Street expected and gave an optimistic view of 2009.

Best Buy Co., down $1.57 at $28.08

The consumer-electronics retailer narrowed its fiscal 2009 earnings forecast and said it will take a $60 million charge.

R.R. Donnelley & Sons Co., down $1.66 at $13.38

The provider of print and business-pro-cess outsourcing lowered its 2008 earnings outlook, citing uncertain economic conditions.

CVS Caremark Corp., down $3.65 at $25.69

The drugstore operator forecast a smaller 2009 profit than Wall Street expected, pointing to uncertainty in the U.S. economy.

KB Home, down 40 cents at $14.17

The builder saw sales plummet by 56 percent in the fourth quarter and said it expects home prices to fall further this year.

Palm Inc., up $1.51 at $5.96

Analysts were upbeat on the long-awaited release of the company's new touch-screen software and smartphone Palm Pre.

Hansen Medical Inc., down 50 cents at $5.76

The medical robotics firm said the economy is hurting sales from customers that are cutting back on capital spending.

Lawson Software Inc., up 54 cents at $5.05

The accounting and human-resources software maker posted quarterly earnings above Wall Street estimates, even as revenue slipped.

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