Jim Cramer on what is behind Centene's 40% drop

I take the story a little slower because it's really difficult, but it's really important for you today. Some of the biggest losers in the market were a handful of managed care companies, led by a company called Centene, which handles government supported health care plans. That stock plunged over 40%, its worst single day performance on record because last night, after the close, the company withdrew its full year forecast.Companies make forecasts. They're supposed to try to beat him or not. They rarely pu ...