Hertz Stock Soars. Why Earnings Might Be a Problem for Short Sellers.

Hertz stock jumped on Thursday after the company’s quarterly earnings topped Wall Street estimates, offering some relief to weary investors. A year ago, Hertz reported a comparable 29-cent loss from sales of just under $2.2 billion. Almost 30% of Hertz stock available to trade has been borrowed and sold short by bearish investors, betting on price declines.