In early trading on Friday, shares of Wal-Mart Stores ( WMT ) topped the list of the day's best performing Dow Jones Industrial Average components, trading up 1.1%. Year to date, Wal-Mart Stores registers a 0.7% gain.
And the worst performing Dow component thus far on the day is UnitedHealth Group ( UNH ), trading down 3.5%. UnitedHealth Group is lower by about 1.3% looking at the year to date performance.
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