In early trading on Wednesday, shares of Seagate Technology topped the list of the day's best performing components of the S&P 500 index, trading up 23.0%. Year to date, Seagate Technology registers a 20.7% gain.
And the worst performing S&P 500 component thus far on the day is Textron, trading down 8.9%. Textron is lower by about 7.4% looking at the year to date performance.
Two other components making moves today are CA, trading down 4.6%, and Rockwell Automation, trading up 8.3% on the day.