Should investors worry about the company's Q3 volume declines? There has been a recipe for Coca-Cola's (KO -0.56%) success in the past couple of years, and it's not the ingredients that go into its soda-making syrup. Instead, it is the company's pricing power. While its stock fell modestly following its Q3 earnings, that pricing power could still be seen in its financial results. This key edge for Coca-Cola has helped power its stock to a more than 25% gain over the past year. The question for investors, th ...