Gibraltar Industries (NASDAQ:ROCK) has outperformed the market over the past 10 years by 4.49% on an annualized basis producing an average annual return of 15.27%. Currently, Gibraltar Industries has a market capitalization of $2.02 billion. Buying $100 In ROCK: If an investor had bought $100 of ROCK stock 10 years ago, it would be worth $415.63 today based on a price of $66.21 for ROCK at the time of writing. Gibraltar Industries’s Performance Over Last 10 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 ret…