It's not just one of the world's best-known brand names. Coca-Cola (NYSE: KO) has also been -- and continues to be -- one of the world's more rewarding investments. Plenty of buy-and-hold investors have become millionaires while sitting on a long-term stake in Coca-Cola stock, well-rewarded for their patience.

The biggest name in the beverage business, however, isn't the company behind the industry's most rewarding stock. That honor actually belongs to shares of rival (NASDAQ: PEP).

And the underpinnings of its superior performance aren't apt to change in the foreseeable future either.

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Source Fool.com