Both of those films turned on formidable performances by the same superb actor, Michael Shannon (who has a small but significant role in "Mud").

WSJ: Classic, Your Name Is 'Mud' | Mud | At Any Price | The Reluctant Fundamentlist | Pain & Gain | Film Reviews by Joe Morgenstern

In 2008, Castlight Health took on the formidable task of unmasking health care costs so that companies and their employees can make informed decisions, based on price as well as quality.

FORBES: Massachusetts Health Plan Harvard Pilgrim Signs On With Castlight Health

It could count on a formidable salesforce of more than 13, 000 financial consultants.

ECONOMIST: Asset management