The financial troubles for Visa and MasterCard when it comes to merchant credit card swipe fees continues to take some interesting twists and turns. Over the last month, things have picked up. The original suit, filed eight years ago, was settled and approved by a federal judge, some plaintiffs are appealing and now a brand new, but similar, lawsuit has been filed.

According to a report from Law 360, nearly 30-big-name retailers have banded together to file a joint lawsuit against MasterCard and Visa claiming the card companies colluded with banks to fix credit card swipe fees. The complaint includes talk of a conspiracy that "has unreasonably restricted competition" that allowed card companies to "artificially inflate interchange fees from each plaintiff."

The businesses behind … more