Stocks that moved substantially or traded heavily Thursday on the New York Stock Exchange and the Nasdaq Stock Market:
Restoration Hardware Holdings Inc., up $7.81 to $93.99
The furniture and housewares company reported better-than-expected quarterly results and issued a positive outlook.
Walgreen Co., up $4.86 to $73.01
The drugstore chain operator announced abruptly that CEO Greg Watson plans to retire after the buyout of Alliance Boots closes.
Armstrong World Industries Inc., up $2.90 to $50.61
The flooring and ceiling products company said it will sell its European flooring business and cease funding its DLW subsidiary.
Staples Inc., up $1.29 to $16.10
Activist investor Starboard Value disclosed a new stake in the office supplies retailer and boosted its stake in Office Depot Inc.
Lululemon Athletica Inc., up $4.26 to $50.96
The maker of yoga gear reported better-than-expected third-quarter profit and increased its full-year earnings forecast.
Urban Outfitters Inc., down $2.28 to $32.29
The clothing and apparel retailer provided an upbeat outlook for sales at stores open at least a year, which is a key measure of financial health.
eBay Inc.,, up $1.52 to $56.79
The online retailer is considering cutting 3,000 jobs, or almost 10 percent of its workforce, the Wall Street Journal reported.
The Advisory Board Co., up $6.81 to $44.57
The consulting company said it will buy the education-industry focused Royall & Co. for $850 million in a cash-and-stock deal.