Herbalife shares crash after Icahn slashes his stake

After nearly six years of battling activist investor Bill Ackman, Carl Icahn has pared down his stake in Herbalife. The hard-charging billionaire said Friday that sold roughly a quarter of his Herbalife investment because it become an "outsized position" in his portfolio. Herbalife shares plunged almost 9 percent as the news emerged Friday morning. By...