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Alexion Pharma (ALXN) – Trading Halts

May 5, 2020 07:02 AM Alexion (ALXN) to Acquire Portola (PTLA) for $18 Per Share

Dec 6, 2019 08:44 AM Alexion Pharma (ALXN) to Resume Trading at 9 am

Dec 6, 2019 08:33 AM

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Oct 10, 2019 07:31 AM

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Mar 16, 2017 05:02 PM

Dec 12, 2016 08:07 AM

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