Celanese (NYSE:CE) has outperformed the market over the past 15 years by 6.27% on an annualized basis producing an average annual return of 18.9%. Currently, Celanese has a market capitalization of $16.10 billion. Buying $100 In CE: If an investor had bought $100 of CE stock 15 years ago, it would be worth $1,321.21 today based on a price of $147.87 for CE at the time of writing. Celanese’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…