I think the fuel for todays run is the Motley fool article touting ELON, alnog with a few other energy saving stocks. Someone can argue that this recent rise is based mostly on hype (Cal Gov, Motley Fool, MacDonalds news, etc). But, the old saying "Where there's smoke, there's fire" should be applied to ELON. The entire world is focused on saving the planet, and ELON offers them a solution. Whether they get 10% or 90% of the future global business, they are going to be a highly profitable company. With so many declining companies out there, why would anyone target ELON as a short candidate? You would have to be an adrenaline junkie to play that game.
Well, the good PR is certainly part of it, but it's more than hype. Each MacDonald's outlet is spending only $600 or so, as I understand it, and that figure could jump upward if the project is successful. Also it's likely that every big food chain in the country will be looking to match what MacDonald's has done. All of that is worth several million dollars' worth of PR and advertising. To capitalize on it, of course, ELON's products must measure up to their promise.
The kind of buying we're seeing, however, does not seem to me based on good PR alone. Someone is making big purchases for some reason, and that tells me that now is a time for small fry to stay out of the way until the smoke clears.