Dow Movers: UNH, BA

In early trading on Monday, shares of Boeing topped the list of the day's best performing Dow Jones Industrial Average components, trading up 2.2%.

Year to date, Boeing has lost about 47.4% of its value.

In early trading on Monday, shares of Boeing topped the list of the day's best performing Dow Jones Industrial Average components, trading up 2.2%.

Year to date, Boeing has lost about 47.4% of its value.

And the worst performing Dow component thus far on the day is UnitedHealth Group, trading down 0.7%.

UnitedHealth Group is showing a gain of 6.1% looking at the year to date performance.

Two other components making moves today are Walmart, trading down 0.6%, and Apple, trading up 1.7% on the day.