AECOM (NYSE:ACM) has outperformed the market over the past 5 years by 11.83% on an annualized basis producing an average annual return of 24.68%. Currently, AECOM has a market capitalization of $12.50 billion. Buying $100 In ACM: If an investor had bought $100 of ACM stock 5 years ago, it would be worth $303.07 today based on a price of $91.89 for ACM at the time of writing. AECOM’s Performance Over Last 5 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 period of t…