Because of their own incompetence. The C-suite messes up and we pay the price.
Centene (NYSE:CNC) investors are sitting on a loss of 16% if they invested a year ago
https://simplywall.st/stocks/us/healthcare/nyse-cnc/centene/news/centene-nysecnc-investors-are-sitting-on-a-loss-of-16-if-the