Holders also allege that after it notified the exchange of the problem but before trading was frozen, Goldman continued to bid to buy back the warrants while ceasing sell offers that would have meant disclosing the real price based on the prospectus.

ECONOMIST: Goldman Sachs gets burned by, er, Goldman Sachs

The weak dollar, which makes it cheaper for importers to buy dollar-denominated oil supplies, is one more factor working in favour of continued oil price strength.

BBC: Commodity boom continues to roll

By announcing minimum prices at which it would buy bank debt, the agency gave banks little incentive to pursue bad debtors, even though they continued to manage their loans.

ECONOMIST: Latin lessons for Asian banks