Key TakeawaysAppLovin shares soared in premarket trading Thursday morning after the app monetization company topped analysts' first quarter expectations and issued a better-than-expected outlook. The company said it saw an improvement in the app advertising market during the quarter and continues to add innovations to its software.Monitor the $88 level, an area on the chart where AppLovin shares may run into resistance from a key horizontal trendline connecting several technically important price points ext ...