Stocks that moved substantially or traded heavily Friday on the New York Stock Exchange and Nasdaq Stock Market:
Nike Inc., down $7.82 at $77.59
The athletic shoe and clothing company warned that higher costs will hurt its profitability into 2012, and plans to raise prices.
Lorillard Inc., up $8.33 at $87.11
FDA experts, who advise the regulatory agency, said menthol cigarettes like Lorillard's hurt public health and offer no benefits.
Celera Corp., up $2.13 at $8.40
Medical lab company Quest Diagnostics Inc. is buying the diagnostics company for $671 million, a 28 percent premium to its stock price.
LDK Solar Co., down $1.03 at $11.47
The Chinese solar energy equipment maker had a strong fourth quarter, but a Collins Stewart analyst said its high profit margins won't last.
US Airways Group Inc., up 47 cents at $8.96
Shares of the airline and its major U.S. rivals rose while oil prices retreated. Crude oil is refined into jet fuel for planes.
Caterpillar Inc., up $1.94 at $105.06
Mining and construction equipment sales grew 59 percent last month, and the disruption to its Japanese operations hasn't hit other factories.
Cisco Systems Inc., up 14 cents at $17.14
The computer networking equipment maker declared a first-ever quarterly dividend of 6 cents per share.
Intuit Inc., up $1.49 at $49.92
The maker of TurboTax tax preparation software said more people were filing returns with its online product compared to last year.