In early trading on Monday, shares of Diamondback Energy topped the list of the day's best performing components of the S&P 500 index, trading up 2.9%. Year to date, Diamondback Energy, Inc. registers a 27.8% gain.

Two other components making moves today are Catalent, trading down 6.7%, and APA, trading up 2.5% on the day.

For MarketNewsVideo.com, I'm Sayoko Murase.