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Orphan play Ultragenyx jumps in trading debut

February 1, 2014 1:35 AM UTC

Ultragenyx Pharmaceutical Inc. (NASDAQ:RARE) gained $21.25 (101%) to $42.25 in its first day of trading on Friday. On Thursday, the Orphan disease company raised $121 million in an IPO through the sale of 5.8 million shares at $21, which valued Ultragenyx at $610.3 million. With Friday's move, the company is now valued at $1.2 billion. ...