The oil-price collapse wiped out tens of billions of dollars in energy-company stock market value in a moment Monday, calling into question the industry’s ability to pay a huge tab that it rang up with bondholders and banks to fuel its price war with OPEC. Investors accelerated their flight from energy-company assets, sending stock and bond prices down by double-digit percentages. The exodus of capital threatens an industry that has been a pillar of the debt markets and of the U.S. economic recovery since the last recession. …