A couple of interesting statistics about stocks that are easily available are related to how many people are shorting it (ie, someone borrows a share, sells it, and makes a profit if they can re-buy it at a later date to close the short position). In the case of TSLA the stock, as of Apr 15, almost 31 million shares were lent out to short sellers ("sold short"). That is out of 72 million shares on the market ("float"…
(There's probably some interesting commentary in there somewhere about the complexity of financial markets and how it is probably bad for society to have a vast portion of our economic growth riding on something most people don't get.)