Singapore hit by currency fixing claims - BBC

BBC News, 8 Feb 2013
Non-deliverable currency forwards, or NDFs, are not a tool that many individual investors may be familiar with.
But they have been getting a lot of attention recently, not least because they could be at the centre of the claims of a currency-rigging scandal in Singapore.
They let traders buy and sell emerging market currencies, such as the Indonesian rupiah, the Malaysian ringgit or the Vietnamese dong. Full story