In early trading on Monday, shares of DaVita topped the list of the day's best performing components of the S&P 500 index, trading up 5.4%. Year to date, DaVita has lost about 16.6% of its value.
And the worst performing S&P 500 component thus far on the day is Zimmer Biomet Holdings, trading down 14.7%. Zimmer Biomet Holdings is showing a gain of 1.9% looking at the year to date performance.
Two other components making moves today are Johnson Controls International, trading down 9.6%, and Level 3 Communications, trading up 5.1% on the day.