LONDON - Britain's competition regulator has fined Citi, HSBC, Morgan Stanley and Royal Bank of Canada a combined 104.5 million pounds ($132.4 million) for exchanging sensitive information about UK government bonds.

Four banks have been fined more than £100m after traders shared sensitive information with each other about the British Government debt they were buying and selling.

UK's competition regulator has fined four global banks 104.5 million pounds ($132.4 million) for exchanging sensitive information about UK government bonds between 2009 and 2013. The Competition and Markets Authority (CMA) said it had reached settlements with Citi,

The competition regulator fined Citi, HSBC, Morgan Stanley and Royal Bank of Canada $132 million after a probe into the exchange of sensitive information about government bonds.