Allen, who on Tuesday denied illegally accommodating bank buddies' requests, was on the stand again for cross-examination.
He acts for a wide variety of banks, property companies, investment funds, private equity houses and high net worth individuals.
Local authority pension funds are currently classified as professional clients, allowing them to invest freely in hedge funds, private equity, property and infrastructure.
Barclays, HSBC and RBS have been hit by another massive bill in the mounting FX-rigging scandal, Sky News can reveal.
Czech Republic, Luxembourg, the Netherlands, Poland, Romania and Sweden could face fines till legislation is put in order