California investigators won’t determine the official cause for some time. But the news that PG&E equipment may have sparked another fire sent the company’s shares down nearly 31% on Friday, heightening concerns about the future of the utility, which sought bankruptcy protection in January citing an estimated $30 billion in fire-related liabilities. Shareholders and bondholders alike worried that additional fire costs could dim their prospects for financial recovery. PG&E Chief Executive Bill Johnson said Thursday that the company would continue to investigate the circumstances behind the line’s failure this week, and whether it started the Kincade Fire. By Friday morning, the fire had burned 21,900 acres and 49 structures, and was expected to continue to grow, whipped by strong winds. More Mr. Johnson told reporters that the preliminary disclosure “does not tell us what caused the fire or where it started.” Related Video Fast-moving wildfires are spreading throughout California, […]