Herbalife expects fourth-quarter sales to rise 19.8% to about $1.27 billion, just ahead of the consensus estimate of $1.22 billion. Adjusted diluted earnings per share (EPS) is now guided to a range of $1.26 to $1.30, versus a consensus estimate of $1.17. For the full fiscal year, Herbalife expects revenues will rise 18.5% to about $4.82 billion, also ahead of a consensus estimate of $4.78 billion. The company also increased its share repurchase authorization to $1.5 billion, up from a previou...