Photo Illustration by Thomas Fuller/SOPA Images/LightRocket via Getty ImagesSOPA Images/LightRocket via Getty ImagesAppLovin Corporation (NASDAQ: APP) has emerged as one of Wall Street’s most remarkable comeback narratives. The stock has soared to approximately $640, elevating the company’s market capitalization to about$208 billion — an impressive figure for a company that merely two years ago was struggling to persuade investors that it could be more than just a mobile game publisher. What caused this sh ...