Stocks showed weakness Tuesday with the major indexes closing lower. But a recent IPO name climbed for a third straight day.

A steep slide in UnitedHealth Group shares was dragging on the Dow Jones Industrial Average on Thursday, putting the blue-chip index on track for historical underperformance versus the S&P 500.

The Dow Jones Industrial Average (DJIA) declined on Thursday despite many stocks on the index rising. Instead, a few major losses dragged the