Cummins (NYSE:CMI) has outperformed the market over the past 15 years by 3.73% on an annualized basis producing an average annual return of 15.92%. Currently, Cummins has a market capitalization of $33.94 billion. Buying $100 In CMI: If an investor had bought $100 of CMI stock 15 years ago, it would be worth $976.04 today based on a price of $239.41 for CMI at the time of writing. Cummins’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 pe…