Regulators in the UK and US have fined banks more than £2 billion over the foreign exchange (Forex) rigging scandal.
The Financial Conduct Authority said it was imposing the fines for "failing to control business practices in their G10 spot foreign exchange".
The US Commodity Futures Trading Commission has released transcripts from some of the chat rooms traders used to discuss 'fixing' strategies.
The transcripts show many examples of employees at several banks discussing how to rig the Forex rates in private chat rooms.
In this example, a group of traders from a British bank share information prior to the 4pm 'fix' and discuss their actions, congratulating each other.
And in this exchange, some traders from a different banking group share "ammo" to enable each other to maximise their returns.
Some of the key points in the Forex rigging scandal.
Regulators in the UK and US have fined banks more than £2 billion over the foreign exchange (Forex) rigging scandal.