Shares of The Cigna Group (CI) jumped 7.3% yesterday after it clarified in a press release that it's not pursuing a merger with Humana Inc. (HUM) . Recent speculation suggested a possible merger deal due to a potentially more business-friendly environment following the presidential election.However, Cigna put these rumors to rest, clarifying that its M&A criteria includes only acquisitions that are strategically aligned, financially attractive and have a high likelihood of closing. The stock price jump indi ...