OGX. Bankrupt Oct. 30, 2013. Debts $5.1 billion Darling of Brazilian billionaire Eike Batista, OGX Petróleo e Gas Participações SA filed for bankruptcy protection after failing to reach an agreement with creditors to negotiate part of its $5.1 billion debt. The bankruptcy was the largest in Latin America. The blow to Batista's mining and oil and gas empire came after disappointing output from offshore wells set off a crisis of investor confidence. 10. Suntech. Bankrupt March 20, 2013. Debts $1.6 billion The Chinese solar panel manufacturer, one of the world's biggest, was forced into bankruptcy court after the company missed a $541 million payment to bondholders. The company's misfortunes were blamed on a glut in the market for solar panels, which collapsed prices. Another solar industry giant, Germany's Q-Cells, was caught in the downturn the year earlier.