Arthur J. Gallagher (NYSE:AJG) has outperformed the market over the past 5 years by 15.0% on an annualized basis producing an average annual return of 27.83%. Currently, Arthur J. Gallagher has a market capitalization of $65.47 billion. Buying $100 In AJG: If an investor had bought $100 of AJG stock 5 years ago, it would be worth $343.55 today based on a price of $298.82 for AJG at the time of writing. Arthur J. Gallagher’s Performance Over Last 5 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 m…