Nutritional supplement-seller Herbalife will report second-quarter earnings results after the closing bell today. On average, analysts are expecting the multi-level marketer to report adjusted earnings per share of $1.57, up 11% year-over-year. Revenue for the second quarter, is expected to come in at $1.354 billion, up 11.1% year-over-year. Herbalife is the company that hedge fund manager Bill Ackman is shorting.