Nasdaq 100 Movers: REGN, TSLA

In early trading on Monday, shares of Tesla topped the list of the day's best performing components of the Nasdaq 100 index, trading up 8.0%.

Year to date, Tesla registers a 87.1% gain.

In early trading on Monday, shares of Tesla topped the list of the day's best performing components of the Nasdaq 100 index, trading up 8.0%.

Year to date, Tesla registers a 87.1% gain.

And the worst performing Nasdaq 100 component thus far on the day is Regeneron Pharmaceuticals trading down 3.5%.

Regeneron Pharmaceuticals is showing a gain of 45.4% looking at the year to date performance.

Two other components making moves today are Take-Two Interactive Software trading down 0.9%, and Western Digital, trading up 5.8% on the day.