Image source: Moody's.As one of the largest credit-rating companies in the world, Moody's (NYSE: MCO) is a powerful force in the massive global fixed-income market. Thanks to its dominant competitive position and capital-light business model, it enjoys strong pricing power and healthy cash flows. But even the strongest businesses require monitoring, and investors will be searching for clues that Moody's competitive advantages remain intact when the company reports its first-quarter financial results on April 29. Continue reading