Australia's banking regulator on Wednesday tightened restrictions on home lending and flagged possible further action, saying rapid loan growth that has fed a surge in housing prices poses a risk to financial stability. The Australian Prudential Regulation Authority (APRA) estimated its higher benchmark for assessing home buyers' ability to repay loans would reduce a typical borrower's maximum borrowing capacity by about 5per cent.But given that less than one in 10 borrowers ask for the maximum loan, the vast majority of borrowers will be unaffected by the change, analysts said. Home prices, already 20per cent higher ... (full story)