Ross Stores (NASDAQ:ROST) has outperformed the market over the past 15 years by 1.52% on an annualized basis producing an average annual return of 13.22%. Currently, Ross Stores has a market capitalization of $50.62 billion. Buying $100 In ROST: If an investor had bought $100 of ROST stock 15 years ago, it would be worth $638.85 today based on a price of $151.76 for ROST at the time of writing. Ross Stores’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 cas…