In early trading, UnitedHealth Group leads as the best performing Dow Jones component, up 2.6%. Year to date, the company has lost 5.2% of its value. Conversely, Nike is the worst performer, trading down 17.2% and 28.2% year to date. Other movers include Travelers Companies down 1.6% and Salesforce up 2.0%.

Read more at Nasdaq: Dow Movers: NKE, UNH | Nasdaq