Cigna (NYSE:CI) has outperformed the market over the past 15 years by 6.46% on an annualized basis producing an average annual return of 18.32%. Currently, Cigna has a market capitalization of $99.13 billion. Buying $1000 In CI: If an investor had bought $1000 of CI stock 15 years ago, it would be worth $12,278.75 today based on a price of $354.59 for CI at the time of writing. Cigna’s Performance Over Last 15 YearsFinally — what’s the point of all this? The key insight to take from this article is to note how much of a difference compounded returns can make in your cash growth over a period …