Accessibility Menu
 

Why Cliffs Natural Resources, Groupon, and Alnylam Pharmaceuticals Slumped Today

These stocks helped weigh down the market. Find out why.

By Dan Caplinger Dec 29, 2016 at 5:46PM EST

Premium Investing Services

Invest better with The Motley Fool. Get stock recommendations, portfolio guidance, and more from The Motley Fool's premium services.