Alexion Pharmaceuticals (ALXN) Stock Rises. Is ALXN Stock A Buy?

Alexion Pharmaceuticals ALXN Stock Chart

Alexion Pharmaceuticals (ALXN) stock rose yesterday based on a rare and counterintuitive drug called Soliris to treat coronavirus.  However, ALXN is currently down in pre-market trading.  The drug blocks part of the immune system at a time when conventional wisdom says that the immune system …

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