The formula has been painful for Tesla (TSLA 0.04%) shareholders: Three fires plus one federal investigation has equaled a 40% drop in the stock price. In this segment of "Motor Money", analysts John Rosevear and Rex Moore take a closer look at the company's recent struggles, and at how General Motors' (GM 0.58%) infamous Chevy Volt fire played into investor psychology. The team also discusses CEO Elon Musk's proposed solutions.