(Reuters) -Health insurer Cigna Group ( CI ) said on Monday it is not pursuing a combination with peer Humana.

Shares of Cigna ( CI ) rose 3.2% in premarket trading, while Humana fell nearly 3%.

Cigna ( CI ) said it would only consider acquisitions that are "strategically aligned, financially attractive and have a high probability to close".

Bloomberg News had reported in October that Cigna ( CI ) had revived efforts to merge with the smaller rival, after abandoning the pursuit late last year.