Shares of Walgreen Co (NYSE: WAG) rose about 1.7% after the company reported a 4.6% drop in its February same-store sales. Total sales at the pharmacy chain climbed 1.5% to $5.9 billion.
Shares of Alkermes plc (NASDAQ: ALKS) declined about 1.1% after the company named Mark Stejbach as its Chief Commercial Officer.
Shares of Archipelago Learning Inc (NASDAQ: ARCL) surged about 22.3% after the company agreed to be bought by Plato Learning, a unit of Thomas Bravo LLC for $11.10 per share in cash. The offer price represents a 23% premium over
Shares of EXCO Resources Inc (NYSE: XCO) fell about 4.8% after the company appointed Wilbur L. Ross, Jr. to its Board of Directors, effective March 2, 2012
Shares of Singapore Telecommunications Ltd (OTC: SGAPY) dropped about 1.2% after the company announced its plans to buy US-based Amobee Inc. SingTel will buy Amobee for US$321 million in cash.
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