Why Is AppLovin (APP) Stock Down Today? AI Disruption Fears and Macro Headwinds Trigger 10.4% Slide

AppLovin Corp (APP) shares fell sharply on March 27, 2026, dropping 10.41% to close at $391.21. The decline marks a significant acceleration of a 90-day downward trend that has seen the stock lose 45.23% of its value from recent highs. Despite reporting stellar historical earnings, the "adtech darling" is currently facing a crisis of confidence as investors grapple with emerging AI competition, short-seller allegations, and a darkening macroeconomic backdrop.