With Viking Therapeutics (NASDAQ: VKTX) stock exploding skyward by 528% over the last 12 months, it's easy to wonder if the opportunity to buy its stock is too good to be true -- and a bit too late.

But in this case, there's actually a well-grounded argument for why shares of this young biotech could go quite a bit higher for those who are willing to retain them for the next few years or beyond. Here's what you need to know.

The investing thesis for Viking Therapeutics rests on its prospects of developing a medicine that can effectively help people with obesity to lose weight.

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Source Fool.com