Celgene - The drug developer rose after agreeing to partner with Bristol-Myers Squibb to explore new cancer treatments.
International Rectifier - The U.S.-based semiconductor company soared after Germany's Infineon Technologies said it would buy the company for about $3 billion in cash.
Hain Celestial Group - The food company rose after posing better-than-expected quarterly earnings and guided fiscal 2015 earnings and revenue above estimates.
Macy's - The retailer climbed after it agreed to pay $650,000 to New York's attorney general to resolve allegations that its security personnel targeted minority shoppers at its flagship store in Manhattan.
Madison Square Garden - The media company and sports team owner advanced after posting better-than-expected fourth-quarter revenue.
Shutterfly - The online photo-sharing services provider rose after Reuters cited people familiar with the matter in reporting Silver Lake Partners and Bain Capital were among the buyout firms in the running to buy the company.
Staples - The retailer fell after warning sales might decline in the current quarter as it sells fewer computers and basic office supplies.
(See CNBC's Market Insider Blog)
—By CNBC's Rich Fisherman.
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