Discussions between Humana (NYSE:HUM) and Cigna (CI) remain informal at best, and there are no major developments expected before or even immediately after the US presidential election. Humana (HUM) is under pressure as its share price dropped,

The talks come amid ongoing pressure from the federal government to control Medicare costs that have eaten away at Humana's finances and market value.

When The Wall Street Journal reported that Cigna was in talks with Humana for a healthcare megamerger late last year, investors weren’t entirely surprised, given the strategic merits of such a deal. C