S&P 500 Movers: VRSN, RHI

In early trading on Friday, shares of Robert Half International topped the list of the day's best performing components of the S&P 500 index, trading up 8.2%.

Year to date, Robert Half International registers a 49.7% gain.

In early trading on Friday, shares of Robert Half International topped the list of the day's best performing components of the S&P 500 index, trading up 8.2%.

Year to date, Robert Half International registers a 49.7% gain.

And the worst performing S&P 500 component thus far on the day is Verisign, trading down 5.4%.

Verisign is showing a gain of 2.1% looking at the year to date performance.

Two other components making moves today are Intel, trading down 5.0%, and Moderna, trading up 5.0% on the day.