The time to short was months ago, to be honest. Reversing the news is always a good strategy [1]
[1] unless it's news about Sears
[1] unless it's news about Sears
I thought that was kind of the original point of stock.
However, Tesla isn't immune to short-term stocks. It will fluctuate between 5x and 10x overvalued, e.g, the stock should really be at $50 but is trading around 300-400.
I'd be very happy if I shorted Tesla at $370 or whatever its high price was.