This hot-growth company is already eyeing the next phase of its growth.AppLovin (APP 1.18%) is an advertising-technology (adtech) stock that's up nearly 1,200% over just the last two years, as of this writing. These incredible gains were fueled by stunning revenue growth and an extraordinary surge in investor confidence in the underlying business.AppLovin's revenue has increased by more than 250% over the last five years, which is a strong compound annual growth rate (CAGR) of more than 20%.As for investor ...