Shopify has historically delivered outsized returns for investors.Regarding the performance of Shopify (SHOP 0.44%), most of its long-term investors are likely happy with it. A $1,000 investment made on the day of the May 2015 initial public offering (IPO) is now worth around$60,000.Unfortunately for some of its investors, succeeding by investing in Shopify stock has been a question of timing, and its five-year shareholders may be less than happy with the stock's returns. Here's why. Shopify's five-year pe ...