Norfolk Southern (NYSE:NSC) has outperformed the market over the past 15 years by 1.45% on an annualized basis producing an average annual return of 15.56%. Currently, Norfolk Southern has a market capitalization of $58.28 billion. Buying $1000 In NSC: If an investor had bought $1000 of NSC stock 15 years ago, it would be worth $8,619.76 today based on a price of $258.01 for NSC at the time of writing. Norfolk Southern’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 mak…