Since August 2019, the payments giant's performance has lagged that of the S&P 500.Over the past five years, Mastercard (MA 0.53%) stock has generated a total return of 77%. That's a respectable gain, but it lags behind the 113% total return of the S&P 500. Zoom out further, though, and you'll see that Mastercard has trounced the market. It's up a whopping 11,180% since its initial public offering in May 2006 (compared to 534% for the S&P 500).So the past five years have underperformed, but the stock is sti ...