Briefs: UK banks short on capital, MyATM back in business, and more

* Bank regulators in the UK say the country's eight biggest banks must find £27.1 billion in new capital. The Prudential Regulation Authority said that at the end of 2012 five banks (Barclays, Co-operative Bank, Lloyds Banking Group, Nationwide and Royal Bank of Scotland) fell short of the required minimum capital ratio target of seven per cent. Even with planned capital raisings, the PRA said it "assesses that four of the five firms will have a shortfall against the seven per cent standard."

* MyATM will rise from the ashes of its financial failure, relist on the ASX and resume its former business of renting automatic teller machines. The firm has raised $2 million in new capital from investors in April this year. It plans to operate all of the 20 ATMs "that have not been monitored" since it went into administration at the end of 2011.

* Macquarie Group has increased its stake in financial services company Yellow Brick Road to 10.5 per cent, from 8.3 per cent. Macquarie recently bought A$4.4 million worth of YBR shares at 56 cents a share.