Mallinckrodt Pharmaceuticals CEO Mark Trudeau, far left, and local dignitaries unveil the new corporate logo at the company's offices on Monday, July 1, 2013 in St. Louis. The 146-year-old specialty ... more 
Mallinckrodt Pharmaceuticals CEO Mark Trudeau, far left, and local dignitaries unveil the new corporate logo at the company's offices on Monday, July 1, 2013 in St. Louis. The 146-year-old specialty pharmaceutical company officially launched on the New York Stock Exchange after spinning off from Covidien on June 28, 2013. Hundreds of employees attended the event, with simultaneous celebrations in the company's other locations worldwide. (Whitney Curtis /AP Images for Mallinckrodt) less 
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Associated Press
Mon, Jul 1, 2013 10:21 PM EDT