NRG Energy (NYSE:NRG) has outperformed the market over the past 5 years by 2.37% on an annualized basis producing an average annual return of 15.07%. Currently, NRG Energy has a market capitalization of $15.79 billion. Buying $1000 In NRG: If an investor had bought $1000 of NRG stock 5 years ago, it would be worth $2,028.21 today based on a price of $76.51 for NRG at the time of writing. NRG Energy’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 make in your cash growth …