Fleetcor issues payment cards (similar to credit or debit cards) to fleet managers who then distribute the cards to drivers to purchase fuel and cover maintenance costs. Despite being one of the best market performers of the last five years, Wall Street research analysts have all but shunned the company since its 2010 IPO. When it was a $23 stock, they said it was 'vastly overvalued.' When it was a $50 stock, 'the risk/reward [was] skewed heavily to the downside.' When it was $100 a share, analysts said, 'It is difficult to understand why any value-conscious investor would still own shares at these levels.' Now at $150, the same pushback remains. Mad Money Research Analyst Jack Mohr has details.