In early trading on Monday, shares of MercadoLibre ( MELI ) topped the list of the day's best performing components of the Nasdaq 100 index, trading up 4.5%. Year to date, MercadoLibre registers a 11.5% gain.
And the worst performing Nasdaq 100 component thus far on the day is Ulta Beauty ( ULTA ), trading down 3.8%. Ulta Beauty is lower by about 6.0% looking at the year to date performance.
Two other components making moves today are Facebook ( FB ), trading down 1.2%, and Alexion Pharmaceuticals ( ALXN ), trading up 4.5% on the day.
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