Key Takeaways The S&P 500 slipped 0.4% on Tuesday, May 20, snapping a six-day winning streak as investors' confidence on ...

Regeneron acquired 23andMe for $256M, gaining 15M DNA profiles to enhance R&D. Find out why REGN stock is a Buy.

Real time quote data is not available at this time. *Data is provided by Barchart.com. Data reflects weightings calculated at the beginning of each month. Data is subject to change. **Green ...