Selecting great companies operating in large and growing industries is as close as possible to a surefire way to build tremendous wealth.

Due to increasing health insurance adoption rates, the health insurance industry should continue to do well moving forward. In fact, market research firm Global Market Insights expects the global health insurance market to compound at a 4.6% annual rate from $2.8 trillion in 2020 to $3.9 trillion by 2027.

As the fourth-largest health insurer in the world with an $84 billion market capitalization, Cigna (NYSE: CI) will be a major beneficiary of growing demand for health insurance. But does that make the stock a buy at this time? Let's dig into Cigna's fundamentals and valuation to find out. 

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Source Fool.com