There is a reason that 'financial advisors' always leave themselves an out by saying you should only invest what you can afford to lose 100%. Of course, their very next statement will be that you should be 100% invested or you are a loser. LOL.
I think this thread is simply too fixated on all the 'mistakes' that Tesla has made. It seems to me that the biggest mistake that Tesla has made as far as this thread is concerned is that TSLA is getting spanked, and spanked hard. If TSLA was still holding its own above 220, what would Tesla's mistakes be them?
Overall, this has little to do with Tesla or even TSLA. This has to do with an overvalued stock market, asset inflation and a possible (probable?) transition to an equities bear market. The speculative (yes TSLA is a speculative stock) stocks in such an environment are ALWAYS hit the hardest. 50% is a pretty common haircut. Sometimes that happens to stocks overnight (see LNKD). 80% happens. And if the company is caught with its pants down when the SHTF then 100% is not uncommon.
Sectors and even financials do not even matter anymore. We have market leaders in the solar industry that are growing 40 to 80 percent yoy, are profitable and are trading for single digit PE. They are getting obliterated (of course, there may be other reasons for this, but let's not talk politics).
I think Tesla is executing pretty well. My biggest problem with the X is that they should have made it a foot longer, 200 mile range be damned. 180 would have worker fine with the current supercharger network. But there are other high priced CUV out there with the exact same and more issues - yet they sell. The Model X drives spectacularly, is ultracool and will sell very well. Tesla got a gigafactory coming on line and a whole new revenue source from the powerwalls about to ramp. Model 3 reveal is around the corner. AND they got the secret weapon lawnmower they are about to launch. You have no idea what happens when the grass meets the blades!
If Tesla keeps this up, TSLA might even come around. I'm betting they will.