Bill Ackman handed Carl Icahn a big reason to think fondly of the hedge-fund manager, a week after the two staged a public reconciliation over disagreements that stretch back a decade. Icahn, 78, made $234 million yesterday on his stake in Herbalife Ltd. (HLF), as a three-hour-plus presentation by Ackman in New York, meant to show that the company is a fraud, failed to convince the market. Instead Herbalife shares rocketed more than 25 percent to $67.77, their biggest single-day gain. Icahn is the largest shareholder in the company with a 17.3 percent stake. Last week, the two men told an audience at the CNBC ... (full story)