Kite Pharma - The biotech soared in its market debut after pricing 7.5 million shares at $17 a piece.
Medtronic - The medical device maker fell after disclosing in a regulatory filing that it was hacked in 2013.
Merrimack Pharmaceuticals - The company declined after saying Sanofi would no longer market its cancer drug.
Molson Coors Brewing - The beer maker climbed after Morgan Stanley upgraded the company to equal weight from underweight.
Nucor - The steelmaker said it projected second-quarter earnings at the low end of forecasts.
Owens Corning -The supplier of building materials fell after it lowered its earnings outlook for the year.
Regeneron Pharmaceuticals - The company fell after BMO Capital said in a note that 10 percent of patients using its bestselling drug were were turning to another drug.
Sprint - The wireless carrier fell after saying it would offer unlimited voice or texting for $20 a month at Wal-Mart Stores.
Targa Resources Partners - The midstream energy company declined after saying it was no longer in merger talks with Energy Transfer Equity.
(Read More: See CNBC's Market Insider Blog)
—By CNBC's Rich Fisherman.Questions? Comments? Email us at firstname.lastname@example.org