UnitedHealth Group (NYSE:UNH) has outperformed the market over the past 10 years by 9.64% on an annualized basis producing an average annual return of 20.08%. Currently, UnitedHealth Group has a market capitalization of $457.84 billion. Buying $1000 In UNH: If an investor had bought $1000 of UNH stock 10 years ago, it would be worth $6,236.71 today based on a price of $497.44 for UNH at the time of writing. UnitedHealth Group’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 returns …