Nasdaq 100 Movers: CMCSA, ALXN
September 24, 2018 at 10:29 AM EDT
In early trading on Monday, shares of Alexion Pharmaceuticals (ALXN) topped the list of the day's best performing components of the Nasdaq 100 index, trading up 5.0%. Year to date, Alexion Pharmaceuticals registers a 7.1% gain.