Ecolab (NYSE:ECL) has outperformed the market over the past 20 years by 2.7% on an annualized basis producing an average annual return of 11.0%. Currently, Ecolab has a market capitalization of $68.42 billion. Buying $1000 In ECL: If an investor had bought $1000 of ECL stock 20 years ago, it would be worth $7,960.89 today based on a price of $240.47 for ECL at the time of writing. Ecolab’s Performance Over Last 20 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 per…