This Hot Stock Is Up 425% and Got Added to the S&P 500 Today. This Hot Stock Is Up 425% and Got Added to the S&P 500 Today. APP’s inclusion in the S&P 500 today may drive further gains, but the stock looks overbought after a 425% one-year run higher. Key TakeawayAppLovin’s growth and inclusion in the S&P 500 make it a compelling stock, but its high valuation and competitive risks indicate care is warranted at these prices. Buying APP stock on dips could capture future runs higher, but more conservative ones should wait for a sharp correction before staking a claim.