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In early trading on Thursday, shares of UnitedHealth Group (UNH) topped the list of the day's best performing Dow Jones Industrial Average components, trading up 3.2%. Year to date, UnitedHealth Group registers a 19.8% gain.
And the worst performing Dow component thus far on the day is Chevron (CVX), trading down 1.0%. Chevron is lower by about 2.6% looking at the year to date performance.
Two other components making moves today are Boeing (BA), trading down 0.9%, and Cisco Systems (CSCO), trading up 0.5% on the day.