The stock is up more than 500% over the past year. AppLovin (APP 4.21%) once again held up to the short-seller scrutiny it's been under, with yet another quarter of surging revenue and profitability growth. The stock is now up more than 500% over the past year and more than 30% year to date. A trio of short-sellers -- Fuzzy Panda Research, Muddy Waters, and Culper Research -- have tried to cast doubt on the legitimacy and effectiveness of AppLovin's artificial intelligence (AI) adtech platform, Axon 2.0. Ho ...