Saia (NASDAQ:SAIA) has outperformed the market over the past 15 years by 13.93% on an annualized basis producing an average annual return of 25.86%. Currently, Saia has a market capitalization of $10.34 billion. Buying $100 In SAIA: If an investor had bought $100 of SAIA stock 15 years ago, it would be worth $3,136.35 today based on a price of $389.75 for SAIA at the time of writing. Saia’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…