Arch Capital Group (NASDAQ:ACGL) has outperformed the market over the past 20 years by 7.69% on an annualized basis producing an average annual return of 15.26%. Currently, Arch Capital Group has a market capitalization of $31.09 billion. Buying $1000 In ACGL: If an investor had bought $1000 of ACGL stock 20 years ago, it would be worth $17,234.48 today based on a price of $83.30 for ACGL at the time of writing. Arch Capital Group’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 ret…