If you’re on the lookout for stocks that could offer substantial growth and stay in your portfolio for the long haul, then buckle up because we’re diving into some stellar options. While finding the right growth stocks might seem straightforward enough, identifying those rare gems that can weather the winds of change is an entirely different endeavor. Picture companies like Xerox, Kodak, and Blockbuster — giants of yesteryear that failed to transform with the times. Learning from such tales, let’s explore three growth stocks promising enough to potentially hold forever.

First off, Amazon — yes, it's a perennial favorite, and for good reason. Dominating U.S. e-commerce with a staggering share, Amazon is also a powerhouse in cloud computing through Amazon Web Services, driving substantial operating income. While profits from online sales are modest, Amazon's value lies in its seamless digital ecosystem. Amazon Prime is a nifty example, ensnaring customers through perks like free shipping, which ultimately leads to increased spending. With only a fraction of U.S. retail sales online, the growth runway for Amazon remains long and lucrative.

Next up, MercadoLibre, often dubbed the Amazon of Latin America. However, this titan isn't just a simple clone; it’s a mighty mix of Amazon, eBay, and PayPal all wrapped into one. MercadoLibre excels by catering specifically to the local market, creating an environment where Central and South American customers can comfortably engage in shopping and transactions. While Latin American e-commerce is burgeoning, MercadoLibre's insight into local consumer behavior gives it a distinguished edge.

Finally, consider PepsiCo. Known for its beloved lineup of beverages and snack foods, PepsiCo might not scream ‘growth stock’ at first glance. Yet, the magic comes from the consistent dividend yields and its tightly controlled production processes. By retaining control over its bottling operations, PepsiCo ensures quality and efficiency, leading to steady dividend growth and impressive long-term returns. With over five decades of annual dividend hikes, those, who reinvest dividends, see a snowball effect on their returns.

These companies boast not just robust business models but also the strategic foresight necessary to evolve and expand. As you hunt for reliable growth stocks, remember: it’s about selecting those with the enduring power to face the future head-on.