Graphic Packaging Holding (NYSE:GPK) has outperformed the market over the past 15 years by 6.53% on an annualized basis producing an average annual return of 18.24%. Currently, Graphic Packaging Holding has a market capitalization of $8.45 billion. Buying $1000 In GPK: If an investor had bought $1000 of GPK stock 15 years ago, it would be worth $12,234.78 today based on a price of $28.14 for GPK at the time of writing. Graphic Packaging Holding’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 …