Value investing is a rather popular investing strategy. Seeing as almost everyone enjoys buying great products at discounted prices, it isn't surprising that we would also like to get good deals on stocks.

But investors need to be careful that they aren't buying junk companies for their portfolios. Health insurer (NYSE: CI), is far from junk: Having turned a $5,000 investment made 10 years ago into nearly $20,000 with dividends reinvested today, the proof is in the pudding. Put into perspective, that is much better than the $16,000 that the same investment amount in the S 500 index would now be worth with dividends reinvested.

But are shares of Cigna currently a buy for value investors? Let's assess the company's fundamentals and valuation.

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Source Fool.com