This tech stock impressed investors in 2025, as it delivered soaring revenue and substantial profits.AppLovin (APP 1.82%) has been one of the market's biggest winners in 2025, with the tech stock up 120% year to date as of this writing. The move comes as the advertising technology company has not only delivered impressive top-line growth but soaring profits.Why should investors care?Because the same set of facts can lead to two different conclusions for investors: The business looks meaningfully stronger th ...