Investors responded enthusiastically to Amazon's (NASDAQ: AMZN) stock split at the beginning of June, and its stock price has gone up 15% since then. But buying stock purely for a potential short-term boost is a short-sighted approach to investing, and doesn't offer any end game to grow your funds. 

Now comes the real work of determining if Amazon stock is a worthwhile purchase based on its future potential. And the answer is a resounding yes. Here's why.

We think of Amazon as the e-commerce king, but even that was an innovation for a company that began as a bookseller. Its propensity to enter new territory without fear is what has made it the second-largest company in the U.S., and having its finger in many pies gives it leverage to continue dominating new sectors.

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Source Fool.com