Western Alliance (NYSE:WAL) has outperformed the market over the past 15 years by 4.32% on an annualized basis producing an average annual return of 16.91%. Currently, Western Alliance has a market capitalization of $7.38 billion. Buying $1000 In WAL: If an investor had bought $1000 of WAL stock 15 years ago, it would be worth $10,244.29 today based on a price of $67.02 for WAL at the time of writing. Western Alliance’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 make…