shaun Mastercard (NYSE:MA) (NEOE:MA:CA) is one of the most important companies in the world, facilitating nearly $10 trillion in payments a year, nearly 10% of global GDP. The company's extraordinary growth rewarded long-term shareholders with exceptional returns, with the stock up almost 100x since its IPO. That said, the drivers that brought Mastercard to where it is today aren't necessarily the same drivers that will continue to lead the stock to success in the future. Still, Mastercard is perceived by m ...