In early trading on Tuesday, shares of Yahoo! ( YHOO ) topped the list of the day's best performing components of the Nasdaq 100 index, trading up 4.9%. Year to date, Yahoo! has lost about 42.7% of its value.
And the worst performing Nasdaq 100 component thus far on the day is Discovery Communications ( DISCA ), trading down 5.9%. Discovery Communications is lower by about 24.1% looking at the year to date performance.
Another component making moves today is Vertex Pharmaceuticals ( VRTX ), trading up 2.9% on the day.
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