Catamaran has clearly planted its flag as a major player in the pharmacy benefits management, or PBM, industry after securing Cigna's business for the next decade.

In this video, health care analyst David Williamson discusses this transformative deal along with what this means for Catamaran and Cigna investors and why this is actually good for its competitors.

Follow David on Twitter: @MotleyDavid.

David Williamson has no position in any stocks mentioned. Follow David on Twitter: @MotleyDavid.

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