Following Tesla’s (TSLA) acquisition offer to SolarCity (SCTY) last week, the automaker’s stock price fell sharply, but while the market tumbled after the United Kingdom voted to leave the European Union the next day, the stocks of both companies outperform the market – indicating some resistance.

Now we learn that Wall Street is betting big against the companies as short interest is close to all time high and short sellers are out of shares to borrow. expand full story