This morning, shares of Tesla Motors (TSLA 0.03%) were sent skyward after the company announced it would be revising its previous sales estimates by moving them higher. The initial estimates were 4% lower than the actual results of 4700 units sold. Arguably the largest driver of shares had to be comments from Tesla that it will be fully profitable this quarter. In the video below Motley Fool analyst Blake Bos explains why these comments had such a large effect on shares today, what big picture items investors need to really watch in the long term, and why 2013 could be a pretty great year for Tesla investors.