In this articleAMCCars drive near an AMC Theater in New York City on March 29, 2023.Leonardo Munoz | View Press | Corbis News | Getty ImagesThe domestic box office is on the rebound, having posted its highest third-quarter ticket sales since the pandemic. The world's largest movie theater chain, however, isn't on such solid footing.AMC operates around 900 theaters and 10,000 screens globally, a larger footprint than its chief rivals Cinemark and Regal. Yet it's struggled with a hefty debt load, even before ...