Union Pacific (NYSE:UNP) has outperformed the market over the past 20 years by 6.87% on an annualized basis producing an average annual return of 15.26%. Currently, Union Pacific has a market capitalization of $148.84 billion. Buying $1000 In UNP: If an investor had bought $1000 of UNP stock 20 years ago, it would be worth $17,235.98 today based on a price of $244.32 for UNP at the time of writing. Union Pacific’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 yo…