S&P 500 Movers: ADS, EBAY

In early trading on Friday, shares of eBay (EBAY) topped the list of the day's best performing components of the S&P 500 index, trading up 4.0%. Year to date, eBay registers a 3.6% gain. And the worst performing S&P 500 component thus far on the day is Alliance Data Systems (ADS),