In early trading on Tuesday, shares of Total System Services, topped the list of the day's best performing components of the S&P 500 index, trading up 8.2%. Year to date, Total System Services, registers a 51.0% gain.
And the worst performing S&P 500 component thus far on the day is Perrigo Company, trading down 3.3%. Perrigo Company is showing a gain of 18.2% looking at the year to date performance.
Two other components making moves today are Mylan, trading down 3.2%, and Advanced Micro Devices, trading up 6.2% on the day.
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