In early trading on Monday, shares of Alexion Pharmaceuticals topped the list of the day’s best performing components of the S&P 500 index, trading up 6.6%. Year to date, Alexion Pharmaceuticals registers a 5.4% gain.
And the worst performing S&P 500 component thus far on the day is HollyFrontier trading down 4.8%. HollyFrontier is lower by about 51.5% looking at the year to date performance.
Two other components making moves today are Baker Hughes, trading down 3.6%, and DISH Network, trading up 4.2% on the day.
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