Chart of the day: It's certainty, stupid

Last Friday the DC Circuit court set a perfect example for why regulatory certainty matters. It vacated the Clean Air Interstate Rule. Markets took notice as well:

Will prices correct back up once markets realize that utilities are staying on their emission-reduction paths despite the ruling, and that the rules will likely be re-written and re-instated?

[Thank you to Pete Zaborowsky from Evolution Markets for providing the chart.]