In early trading on Friday, shares of Merck topped the list of the day's best performing components of the S&P 500 index, trading up 8.0%.
Year to date, Merck registers a 3.9% gain.
S&P 500 Movers: MRNA, MRK
In early trading on Friday, shares of Merck topped the list of the day's best performing components of the S&P 500 index, trading up 8.0%.
Year to date, Merck registers a 3.9% gain.
And the worst performing S&P 500 component thus far on the day is Moderna, trading down 10.8%.
Moderna is showing a gain of 228.4% looking at the year to date performance.
Two other components making moves today are Regeneron Pharmaceuticals, trading down 6.4%, and International Flavors & Fragrances, trading up 6.9% on the day.