Ameriprise Finl (NYSE:AMP) has outperformed the market over the past 15 years by 7.37% on an annualized basis producing an average annual return of 19.1%. Currently, Ameriprise Finl has a market capitalization of $49.45 billion. Buying $1000 In AMP: If an investor had bought $1000 of AMP stock 15 years ago, it would be worth $13,919.67 today based on a price of $502.50 for AMP at the time of writing. Ameriprise Finl’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 i…