AECOM (NYSE:ACM) has outperformed the market over the past 10 years by 1.27% on an annualized basis producing an average annual return of 12.92%. Currently, AECOM has a market capitalization of $14.26 billion. Buying $1000 In ACM: If an investor had bought $1000 of ACM stock 10 years ago, it would be worth $3,498.68 today based on a price of $106.36 for ACM at the time of writing. AECOM’s Performance Over Last 10 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 peri…