Cigna is suing Anthem for $13 billion after walking away from their merger

Cigna is scrapping its plan to merge with rival Anthem, and is suing Anthem for $13 billion in damages because the deal couldn't get approved.
The health insurer said it was terminating the merger with Anthem after a federal judge blocked the deal over anti-competitive grounds.
Anthem was attempting to appeal the judge's decision blocking the merger, and looking to fast track of the appeal process.
Cigna claims that the $13 billion is to make up for "the lost premium value to Cigna's shareh