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Mallinckrodt begins life as independent company
DUBLIN — Covidien has finished spinning off its pharmaceuticals division, the medical products maker said.
St. Louis-based Covidien announced that it had separated Mallinckrodt as an independent company that has started trading on the New York Stock Exchange under the symbol "MNK," a move that it announced in December 2011. Shares in the newly public company were trading at $43.52 at noon Tuesday, down by 48 cents from the start of the day.