HERBALIFE TANKS AS BILL ACKMAN SPEAKS
REUTERS/Eduardo Munoz
Herbalife shares were down nearly 6% as Pershing Square founder Bill Ackman told CNBC that the nutritional supplement provider is one of the biggest frauds in history.Appearing on "Halftime Report" with Scott Wapner, Ackman previewed a presentation on the firm he's giving tomorrow that he says is the most important of his career.