Discover Finl (NYSE:DFS) has outperformed the market over the past 15 years by 4.52% on an annualized basis producing an average annual return of 16.3%. Currently, Discover Finl has a market capitalization of $37.29 billion. Buying $100 In DFS: If an investor had bought $100 of DFS stock 15 years ago, it would be worth $998.22 today based on a price of $148.51 for DFS at the time of writing. Discover Finl’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…