10/12/2012 10:28:52 AM
A pair of biopharmaceutical IPOs rose sharply in early Thursday trading, gaining ground after each company upped the number of shares they brough to market. Kythera Biopharmaceuticals Inc.'s (KYTH) rose $3.79, or 24%, to close at $19.79. The stock opened at $18.49, up 16% from the the $16 offer price, and continued to rise during Thursday's session.
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