Tesla's stock bubble just got terrifying - Business Insider
"On Monday the carmaker's market cap exceeded that of General Motors: $51 billion. This is about $15 billion more than where Tesla was valued for much of 2016. And it's about $7 billion more than Ford.
...
One explanation for Tesla's most recent surge could be that short sellers (traders who had bet against Tesla) are finally throwing in the towel and covering their positions. That, by definition, would have them buying the shares."... solar panels blend into your roof with integrated front skirts and no visible mounting hardware. The result is a clean, streamlined look."