The manner in which Citigroup, HSBC, JP Morgan, Royal Bank of Scotland and UBS tried to manipulate the FX market has been set out in the Financial Conduct Authority's final notices, with the usual array of colourful language on display from the banks' traders.

The five banks have agreed to pay fines totalling around $3.3 billion to US, UK and Swiss regulators to settle investigations into business practices in their spot foreign exchange trading businesses.