Buy a failing hospital and profit. This could be a dangerous new playbook for rich investors

For decades, Hahnemann University Hospital served as the main safety-net hospital for downtown Philadelphia's neediest residents. But last week, it released its last patient. Within a month, the hospital's 2,572 staff will all have been laid off, and the doors will close, leaving a gaping hole in the city's ability to serve its poor — not to mention any victims of trauma, like shootings or car accidents.