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In early trading on Thursday, shares of Ulta Salon Cosmetics & Fragrance (ULTA) topped the list of the day's best performing components of the Nasdaq 100 index, trading up 6.1%. Year to date, Ulta Salon Cosmetics & Fragrance registers a 37.0% gain.
And the worst performing Nasdaq 100 component thus far on the day is Western Digital (WDC), trading down 4.6%. Western Digital is lower by about 10.4% looking at the year to date performance.
Two other components making moves today are Seagate Technology (STX), trading down 4.6%, and Alexion Pharmaceuticals (ALXN), trading up 0.8% on the day.