In early trading on Wednesday, shares of Pfizer topped the list of the day's best performing Dow Jones Industrial Average components, trading up 0.8%. Year to date, Pfizer has lost about 20.7% of its value.
And the worst performing Dow component thus far on the day is Microsoft, trading down 1.2%. Microsoft is showing a gain of 32.1% looking at the year to date performance.
Two other components making moves today are Visa, trading down 1.1%, and UnitedHealth Group, trading up 0.8% on the day.
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