One of the more prominent market-beating financial sector stocks this month has been payment processing giant Mastercard (MA -0.05%). That stands to reason: On Oct. 31, the company delivered a third-quarter earnings report showing solid growth and a double beat on analysts' estimates. Speaking of Mastercard analysts, one Wall Street pro who covers the sturdy financial company recently upped his price target on the stock. Is his burst of fresh optimism justified?Price target liftOn Friday, TD Cowen's Bryan B ...