AppLovin Corporation (NASDAQ:APP) is one of the noteworthy Q3 stocks Jim Cramer was focused on. Cramer highlighted it as the best-performing S&P 500 stock of the quarter. He said: “The best performing S&P 500 stock from the third quarter is one that seems unstoppable, and that stock is AppLovin. This stock’s a quandary because it’s far from a household name. AppLovin’s a mobile technology company that helps app developers make money by selling advertising space within their apps. AppLovin Corporation ( ...