Amid a new investigation into manipulation of the foreign currency market, several traders at Barclays and the Royal Bank of Scotland were suspended by the managements of the banks.

A total of six traders at Barclays and two at RBS are now suspended after investigations form several international investigators including UK's Financial Conduct Authority. The two banks have not offered any comments on the matter. JP Morgan, Standard Chartered and Citigroup had earlier placed its senior traders in London on leave. Regulators in the United States, Europe and Asia are investigating the case.

The authorities are investigating allegations for rigging the foreign currency market in a yet another severe blow to the banks' reputation. There are allegations that traders at banks across the world worked to manipulate the $5.3 trillion per day market by rigging benchmark rates that are sued to buy and sell currencies.

Barclays had earlier confirmed that it is currently reviewing its trading during the previous years as part of the latest investigations. Chief executive Antony Jenkins has also been fined £290million for rigging Libor interest rates. Barclays said it was co-operating with authorities in the latest investigations into foreign exchange trading.