The stock got a fresh boost on Friday as the US Department of Transportation announced looser rules for self-driving cars.

The Transportation Department announced a national framework for autonomous vehicles, a step closer to putting more self-driving cars on U.S. roads.

Even the perma-bull crowd of analysts covering Tesla warned of sorely disappointing results in Q1, a view signaled by the poor deliveries for the quarter reported in early April. But the numbers released after the market close on April 22 were much,