The resumption of merger talks between Cigna and Humana suggests a potential strategic move that could enhance Cigna's market position and operational scale. This news is likely to positively influence Cigna's stock price in the short term as investors anticipate potential synergies and growth opportunities.

The renewed merger discussions with Cigna could lead to a significant consolidation for Humana, potentially increasing its market share and operational efficiencies. This development is likely to have a positive short-term impact on Humana's stock as investors speculate on the benefits of the merger.