S&P 500 Movers: TFX, DAL

In early trading on Thursday, shares of Delta Air Lines topped the list of the day's best performing components of the S&P 500 index, trading up 3.0%.

Year to date, Delta Air Lines Inc registers a 4.2% gain.

In early trading on Thursday, shares of Delta Air Lines topped the list of the day's best performing components of the S&P 500 index, trading up 3.0%.

Year to date, Delta Air Lines Inc registers a 4.2% gain.

And the worst performing S&P 500 component thus far on the day is Teleflex, trading down 11.5%.

Teleflex is lower by about 10.3% looking at the year to date performance.

Two other components making moves today are Progressive, trading down 5.4%, and Tractor Supply, trading up 2.5% on the day.