S&P 500 Movers: OXY, AMZN

In early trading on Tuesday, shares of Amazon.

Om topped the list of the day's best performing components of the S&P 500 index, trading up 2.2%.

In early trading on Tuesday, shares of Amazon.

Om topped the list of the day's best performing components of the S&P 500 index, trading up 2.2%.

Year to date, Amazon.

Om registers a 10.2% gain.

And the worst performing S&P 500 component thus far on the day is Occidental Petroleum, trading down 3.3%.

Occidental Petroleum is showing a gain of 81.9% looking at the year to date performance.

Two other components making moves today are NOV, trading down 3.1%, and Arista Networks, trading up 2.0% on the day.